@@ -2,6 +2,8 @@
# Makefile for the linux ext4-filesystem routines.
#
+ccflags-$(CONFIG_EXT4_FS) := -DDEBUG
+
obj-$(CONFIG_EXT4_FS) += ext4.o
ext4-y := balloc.o bitmap.o dir.o file.o fsync.o ialloc.o inode.o page-io.o \
@@ -11,6 +11,8 @@
* David S. Miller (davem@caip.rutgers.edu), 1995
*/
+#define pr_fmt(fmt) "EXT4-fs: " fmt
+
#include <linux/time.h>
#include <linux/capability.h>
#include <linux/fs.h>
@@ -515,14 +517,14 @@ ext4_fsblk_t ext4_count_free_blocks(struct super_block *sb)
continue;
x = ext4_count_free(bitmap_bh, sb->s_blocksize);
- printk(KERN_DEBUG "group %u: stored = %d, counted = %u\n",
- i, ext4_free_blks_count(sb, gdp), x);
+ pr_debug("group %u: stored = %d, counted = %u\n",
+ i, ext4_free_blks_count(sb, gdp), x);
bitmap_count += x;
}
brelse(bitmap_bh);
- printk(KERN_DEBUG "ext4_count_free_blocks: stored = %llu"
- ", computed = %llu, %llu\n", ext4_free_blocks_count(es),
- desc_count, bitmap_count);
+ pr_debug("%s: stored = %llu, computed = %llu, %llu\n",
+ __func__,
+ ext4_free_blocks_count(es), desc_count, bitmap_count);
return bitmap_count;
#else
desc_count = 0;
@@ -8,6 +8,8 @@
* should never be used as data blocks by files or directories.
*/
+#define pr_fmt(fmt) "EXT4-fs: " fmt
+
#include <linux/time.h>
#include <linux/fs.h>
#include <linux/namei.h>
@@ -126,16 +128,17 @@ static void debug_print_tree(struct ext4_sb_info *sbi)
struct ext4_system_zone *entry;
int first = 1;
- printk(KERN_INFO "System zones: ");
+ pr_info("System zones: ");
node = rb_first(&sbi->system_blks);
while (node) {
entry = rb_entry(node, struct ext4_system_zone, node);
- printk("%s%llu-%llu", first ? "" : ", ",
- entry->start_blk, entry->start_blk + entry->count - 1);
+ pr_cont("%s%llu-%llu",
+ first ? "" : ", ",
+ entry->start_blk, entry->start_blk + entry->count - 1);
first = 0;
node = rb_next(node);
}
- printk("\n");
+ pr_cont("\n");
}
int ext4_setup_system_zone(struct super_block *sb)
@@ -21,6 +21,8 @@
*
*/
+#define pr_fmt(fmt) "EXT4-fs: " fmt
+
#include <linux/fs.h>
#include <linux/jbd2.h>
#include <linux/buffer_head.h>
@@ -425,8 +427,7 @@ static int call_filldir(struct file *filp, void *dirent,
sb = inode->i_sb;
if (!fname) {
- printk(KERN_ERR "EXT4-fs: call_filldir: called with "
- "null fname?!?\n");
+ pr_err("%s: called with null fname?!?\n", __func__);
return 0;
}
curr_pos = hash2pos(fname->hash, fname->minor_hash);
@@ -46,24 +46,22 @@
* Debug code
*/
#ifdef EXT4FS_DEBUG
-#define ext4_debug(f, a...) \
- do { \
- printk(KERN_DEBUG "EXT4-fs DEBUG (%s, %d): %s:", \
- __FILE__, __LINE__, __func__); \
- printk(KERN_DEBUG f, ## a); \
- } while (0)
+#define ext4_debug(fmt, args...) \
+ pr_debug("DEBUG (%s, %d): %s: " fmt, \
+ __FILE__, __LINE__, __func__, ##args)
#else
-#define ext4_debug(f, a...) do {} while (0)
+#define ext4_debug(fmt, args...) \
+ no_printk(fmt, ##args)
#endif
-#define EXT4_ERROR_INODE(inode, fmt, a...) \
- ext4_error_inode((inode), __func__, __LINE__, 0, (fmt), ## a)
+#define EXT4_ERROR_INODE(inode, fmt, args...) \
+ ext4_error_inode((inode), __func__, __LINE__, 0, fmt, ##args)
-#define EXT4_ERROR_INODE_BLOCK(inode, block, fmt, a...) \
- ext4_error_inode((inode), __func__, __LINE__, (block), (fmt), ## a)
+#define EXT4_ERROR_INODE_BLOCK(inode, block, fmt, args...) \
+ ext4_error_inode((inode), __func__, __LINE__, (block), fmt, ##args)
-#define EXT4_ERROR_FILE(file, block, fmt, a...) \
- ext4_error_file((file), __func__, __LINE__, (block), (fmt), ## a)
+#define EXT4_ERROR_FILE(file, block, fmt, args...) \
+ ext4_error_file((file), __func__, __LINE__, (block), fmt, ##args)
/* data type for block offset of block group */
typedef int ext4_grpblk_t;
@@ -411,9 +409,14 @@ enum {
};
#define TEST_FLAG_VALUE(FLAG) (EXT4_##FLAG##_FL == (1 << EXT4_INODE_##FLAG))
-#define CHECK_FLAG_VALUE(FLAG) if (!TEST_FLAG_VALUE(FLAG)) { \
- printk(KERN_EMERG "EXT4 flag fail: " #FLAG ": %d %d\n", \
- EXT4_##FLAG##_FL, EXT4_INODE_##FLAG); BUG_ON(1); }
+#define CHECK_FLAG_VALUE(FLAG) \
+do { \
+ if (!TEST_FLAG_VALUE(FLAG)) { \
+ pr_emerg("EXT4 flag fail: " #FLAG ": %d %d\n", \
+ EXT4_##FLAG##_FL, EXT4_INODE_##FLAG); \
+ BUG_ON(1); \
+ } \
+} while (0)
/*
* Since it's pretty easy to mix up bit numbers and hex values, and we
@@ -1877,42 +1880,45 @@ extern int ext4_group_extend(struct super_block *sb,
extern void *ext4_kvmalloc(size_t size, gfp_t flags);
extern void *ext4_kvzalloc(size_t size, gfp_t flags);
extern void ext4_kvfree(void *ptr);
-extern void __ext4_error(struct super_block *, const char *, unsigned int,
- const char *, ...)
- __attribute__ ((format (printf, 4, 5)));
-#define ext4_error(sb, message...) __ext4_error(sb, __func__, \
- __LINE__, ## message)
-extern void ext4_error_inode(struct inode *, const char *, unsigned int,
- ext4_fsblk_t, const char *, ...)
- __attribute__ ((format (printf, 5, 6)));
-extern void ext4_error_file(struct file *, const char *, unsigned int,
- ext4_fsblk_t, const char *, ...)
- __attribute__ ((format (printf, 5, 6)));
+
+extern __attribute__ ((format (printf, 4, 5)))
+void __ext4_error(struct super_block *, const char *func, unsigned int line,
+ const char *fmt, ...);
+#define ext4_error(sb, fmt, args...) \
+ __ext4_error(sb, __func__, __LINE__, fmt, ##args)
+
+extern __attribute__ ((format (printf, 5, 6)))
+void ext4_error_inode(struct inode *, const char *, unsigned int,
+ ext4_fsblk_t, const char *fmt, ...);
+extern __attribute__ ((format (printf, 5, 6)))
+void ext4_error_file(struct file *, const char *, unsigned int,
+ ext4_fsblk_t, const char *fmt, ...);
extern void __ext4_std_error(struct super_block *, const char *,
unsigned int, int);
-extern void __ext4_abort(struct super_block *, const char *, unsigned int,
- const char *, ...)
- __attribute__ ((format (printf, 4, 5)));
-#define ext4_abort(sb, message...) __ext4_abort(sb, __func__, \
- __LINE__, ## message)
-extern void __ext4_warning(struct super_block *, const char *, unsigned int,
- const char *, ...)
- __attribute__ ((format (printf, 4, 5)));
-#define ext4_warning(sb, message...) __ext4_warning(sb, __func__, \
- __LINE__, ## message)
-extern void ext4_msg(struct super_block *, const char *, const char *, ...)
- __attribute__ ((format (printf, 3, 4)));
+extern __attribute__ ((format (printf, 4, 5)))
+void __ext4_abort(struct super_block *, const char *func, unsigned int line,
+ const char *fmt, ...);
+#define ext4_abort(sb, fmt, args...) \
+ __ext4_abort(sb, __func__, __LINE__, fmt, ##args)
+extern __attribute__ ((format (printf, 4, 5)))
+void __ext4_warning(struct super_block *, const char *func, unsigned int line,
+ const char *fmt, ...);
+#define ext4_warning(sb, fmt, args...) \
+ __ext4_warning(sb, __func__, __LINE__, fmt, ##args)
+extern __attribute__ ((format (printf, 3, 4)))
+void ext4_msg(struct super_block *, const char *level, const char *fmt, ...);
extern void __dump_mmp_msg(struct super_block *, struct mmp_struct *mmp,
const char *, unsigned int, const char *);
-#define dump_mmp_msg(sb, mmp, msg) __dump_mmp_msg(sb, mmp, __func__, \
- __LINE__, msg)
-extern void __ext4_grp_locked_error(const char *, unsigned int, \
- struct super_block *, ext4_group_t, \
- unsigned long, ext4_fsblk_t, \
- const char *, ...)
- __attribute__ ((format (printf, 7, 8)));
-#define ext4_grp_locked_error(sb, grp, message...) \
- __ext4_grp_locked_error(__func__, __LINE__, (sb), (grp), ## message)
+#define dump_mmp_msg(sb, mmp, msg) \
+ __dump_mmp_msg(sb, mmp, __func__, __LINE__, msg)
+extern __attribute__ ((format (printf, 7, 8)))
+void __ext4_grp_locked_error(const char *func, unsigned int line,
+ struct super_block *, ext4_group_t grp,
+ unsigned long ino, ext4_fsblk_t block,
+ const char *fmt, ...);
+#define ext4_grp_locked_error(sb, grp, ino, block, fmt, args...) \
+ __ext4_grp_locked_error(__func__, __LINE__, sb, grp, ino, block, \
+ fmt, ##args)
extern void ext4_update_dynamic_rev(struct super_block *sb);
extern int ext4_update_compat_feature(handle_t *handle, struct super_block *sb,
__u32 compat);
@@ -29,6 +29,8 @@
* - smart tree reduction
*/
+#define pr_fmt(fmt) "EXT4-fs: " fmt
+
#include <linux/module.h>
#include <linux/fs.h>
#include <linux/time.h>
@@ -537,14 +539,14 @@ ext4_ext_binsearch_idx(struct inode *inode,
chix = ix = EXT_FIRST_INDEX(eh);
for (k = 0; k < le16_to_cpu(eh->eh_entries); k++, ix++) {
- if (k != 0 &&
- le32_to_cpu(ix->ei_block) <= le32_to_cpu(ix[-1].ei_block)) {
- printk(KERN_DEBUG "k=%d, ix=0x%p, "
- "first=0x%p\n", k,
- ix, EXT_FIRST_INDEX(eh));
- printk(KERN_DEBUG "%u <= %u\n",
- le32_to_cpu(ix->ei_block),
- le32_to_cpu(ix[-1].ei_block));
+ if (k != 0 &&
+ le32_to_cpu(ix->ei_block) <=
+ le32_to_cpu(ix[-1].ei_block)) {
+ pr_debug("k=%d, ix=0x%p, first=0x%p\n",
+ k, ix, EXT_FIRST_INDEX(eh));
+ pr_debug("%u <= %u\n",
+ le32_to_cpu(ix->ei_block),
+ le32_to_cpu(ix[-1].ei_block));
}
BUG_ON(k && le32_to_cpu(ix->ei_block)
<= le32_to_cpu(ix[-1].ei_block));
@@ -2241,9 +2243,8 @@ static int ext4_remove_blocks(handle_t *handle, struct inode *inode,
ext4_free_blocks(handle, inode, 0, start, num, flags);
} else {
- printk(KERN_INFO "strange request: removal(2) "
- "%u-%u from %u:%u\n",
- from, to, le32_to_cpu(ex->ee_block), ee_len);
+ pr_info("strange request: removal(2) %u-%u from %u:%u\n",
+ from, to, le32_to_cpu(ex->ee_block), ee_len);
}
return 0;
}
@@ -2653,17 +2654,17 @@ void ext4_ext_init(struct super_block *sb)
if (EXT4_HAS_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_EXTENTS)) {
#if defined(AGGRESSIVE_TEST) || defined(CHECK_BINSEARCH) || defined(EXTENTS_STATS)
- printk(KERN_INFO "EXT4-fs: file extents enabled");
+ pr_info("file extents enabled");
#ifdef AGGRESSIVE_TEST
- printk(", aggressive tests");
+ pr_cont(", aggressive tests");
#endif
#ifdef CHECK_BINSEARCH
- printk(", check binsearch");
+ pr_cont(", check binsearch");
#endif
#ifdef EXTENTS_STATS
- printk(", stats");
+ pr_cont(", stats");
#endif
- printk("\n");
+ pr_cont("\n");
#endif
#ifdef EXTENTS_STATS
spin_lock_init(&EXT4_SB(sb)->s_ext_stats_lock);
@@ -2684,11 +2685,11 @@ void ext4_ext_release(struct super_block *sb)
#ifdef EXTENTS_STATS
if (EXT4_SB(sb)->s_ext_blocks && EXT4_SB(sb)->s_ext_extents) {
struct ext4_sb_info *sbi = EXT4_SB(sb);
- printk(KERN_ERR "EXT4-fs: %lu blocks in %lu extents (%lu ave)\n",
- sbi->s_ext_blocks, sbi->s_ext_extents,
- sbi->s_ext_blocks / sbi->s_ext_extents);
- printk(KERN_ERR "EXT4-fs: extents: %lu min, %lu max, max depth %lu\n",
- sbi->s_ext_min, sbi->s_ext_max, sbi->s_depth_max);
+ pr_err("%lu blocks in %lu extents (%lu ave)\n",
+ sbi->s_ext_blocks, sbi->s_ext_extents,
+ sbi->s_ext_blocks / sbi->s_ext_extents);
+ pr_err("extents: %lu min, %lu max, max depth %lu\n",
+ sbi->s_ext_min, sbi->s_ext_max, sbi->s_depth_max);
}
#endif
}
@@ -3811,10 +3812,8 @@ retry:
if (ret <= 0) {
#ifdef EXT4FS_DEBUG
WARN_ON(ret <= 0);
- printk(KERN_ERR "%s: ext4_ext_map_blocks "
- "returned error inode#%lu, block=%u, "
- "max_blocks=%u", __func__,
- inode->i_ino, map.m_lblk, max_blocks);
+ pr_err("%s: ext4_ext_map_blocks returned error inode#%lu, block=%u, max_blocks=%u\n",
+ __func__, inode->i_ino, map.m_lblk, max_blocks);
#endif
ext4_mark_inode_dirty(handle, inode);
ret2 = ext4_journal_stop(handle);
@@ -3887,10 +3886,8 @@ int ext4_convert_unwritten_extents(struct inode *inode, loff_t offset,
EXT4_GET_BLOCKS_IO_CONVERT_EXT);
if (ret <= 0) {
WARN_ON(ret <= 0);
- printk(KERN_ERR "%s: ext4_ext_map_blocks "
- "returned error inode#%lu, block=%u, "
- "max_blocks=%u", __func__,
- inode->i_ino, map.m_lblk, map.m_len);
+ pr_err("%s: ext4_ext_map_blocks returned error inode#%lu, block=%u, max_blocks=%u\n",
+ __func__, inode->i_ino, map.m_lblk, map.m_len);
}
ext4_mark_inode_dirty(handle, inode);
ret2 = ext4_journal_stop(handle);
@@ -12,6 +12,8 @@
* David S. Miller (davem@caip.rutgers.edu), 1995
*/
+#define pr_fmt(fmt) "EXT4-fs: " fmt
+
#include <linux/time.h>
#include <linux/fs.h>
#include <linux/jbd2.h>
@@ -195,18 +197,16 @@ void ext4_free_inode(handle_t *handle, struct inode *inode)
int fatal = 0, err, count, cleared;
if (atomic_read(&inode->i_count) > 1) {
- printk(KERN_ERR "ext4_free_inode: inode has count=%d\n",
- atomic_read(&inode->i_count));
+ pr_err("%s: inode has count=%d\n",
+ __func__, atomic_read(&inode->i_count));
return;
}
if (inode->i_nlink) {
- printk(KERN_ERR "ext4_free_inode: inode has nlink=%d\n",
- inode->i_nlink);
+ pr_err("%s: inode has nlink=%d\n", __func__, inode->i_nlink);
return;
}
if (!sb) {
- printk(KERN_ERR "ext4_free_inode: inode on "
- "nonexistent device\n");
+ pr_err("%s: inode on nonexistent device\n", __func__);
return;
}
sbi = EXT4_SB(sb);
@@ -849,9 +849,8 @@ struct inode *ext4_new_inode(handle_t *handle, struct inode *dir, int mode,
ret2 = find_group_other(sb, dir, &group, mode);
if (ret2 == 0 && once) {
once = 0;
- printk(KERN_NOTICE "ext4: find_group_flex "
- "failed, fallback succeeded dir %lu\n",
- dir->i_ino);
+ pr_notice("find_group_flex failed, fallback succeeded dir %lu\n",
+ dir->i_ino);
}
}
goto got_group;
@@ -1144,17 +1143,15 @@ iget_failed:
inode = NULL;
bad_orphan:
ext4_warning(sb, "bad orphan inode %lu! e2fsck was run?", ino);
- printk(KERN_NOTICE "ext4_test_bit(bit=%d, block=%llu) = %d\n",
+ pr_notice("ext4_test_bit(bit=%d, block=%llu) = %d\n",
bit, (unsigned long long)bitmap_bh->b_blocknr,
ext4_test_bit(bit, bitmap_bh->b_data));
- printk(KERN_NOTICE "inode=%p\n", inode);
+ pr_notice("inode=%p\n", inode);
if (inode) {
- printk(KERN_NOTICE "is_bad_inode(inode)=%d\n",
- is_bad_inode(inode));
- printk(KERN_NOTICE "NEXT_ORPHAN(inode)=%u\n",
- NEXT_ORPHAN(inode));
- printk(KERN_NOTICE "max_ino=%lu\n", max_ino);
- printk(KERN_NOTICE "i_nlink=%u\n", inode->i_nlink);
+ pr_notice("is_bad_inode(inode)=%d\n", is_bad_inode(inode));
+ pr_notice("NEXT_ORPHAN(inode)=%u\n", NEXT_ORPHAN(inode));
+ pr_notice("max_ino=%lu\n", max_ino);
+ pr_notice("i_nlink=%u\n", inode->i_nlink);
/* Avoid freeing blocks if we got a bad deleted inode */
if (inode->i_nlink == 0)
inode->i_blocks = 0;
@@ -1190,14 +1187,14 @@ unsigned long ext4_count_free_inodes(struct super_block *sb)
continue;
x = ext4_count_free(bitmap_bh, EXT4_INODES_PER_GROUP(sb) / 8);
- printk(KERN_DEBUG "group %lu: stored = %d, counted = %lu\n",
- (unsigned long) i, ext4_free_inodes_count(sb, gdp), x);
+ pr_debug("group %lu: stored = %d, counted = %lu\n",
+ (unsigned long)i, ext4_free_inodes_count(sb, gdp), x);
bitmap_count += x;
}
brelse(bitmap_bh);
- printk(KERN_DEBUG "ext4_count_free_inodes: "
- "stored = %u, computed = %lu, %lu\n",
- le32_to_cpu(es->s_free_inodes_count), desc_count, bitmap_count);
+ pr_debug("%s: stored = %u, computed = %lu, %lu\n",
+ __func__, le32_to_cpu(es->s_free_inodes_count),
+ desc_count, bitmap_count);
return desc_count;
#else
desc_count = 0;
@@ -20,6 +20,8 @@
* (sct@redhat.com), 1993, 1998
*/
+#define pr_fmt(fmt) "EXT4-fs: " fmt
+
#include <linux/module.h>
#include "ext4_jbd2.h"
#include "truncate.h"
@@ -355,8 +357,8 @@ static int ext4_alloc_blocks(handle_t *handle, struct inode *inode,
* for the first direct block
*/
new_blocks[index] = current_block;
- printk(KERN_INFO "%s returned more blocks than "
- "requested\n", __func__);
+ pr_info("%s: returned more blocks than requested\n",
+ __func__);
WARN_ON(1);
break;
}
@@ -18,6 +18,8 @@
* Assorted race fixes, rewrite of ext4_get_block() by Al Viro, 2000
*/
+#define pr_fmt(fmt) "EXT4-fs: " fmt
+
#include <linux/module.h>
#include <linux/fs.h>
#include <linux/time.h>
@@ -1335,18 +1337,18 @@ static void ext4_da_block_invalidatepages(struct mpage_da_data *mpd)
static void ext4_print_free_blocks(struct inode *inode)
{
struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb);
- printk(KERN_CRIT "Total free blocks count %lld\n",
- ext4_count_free_blocks(inode->i_sb));
- printk(KERN_CRIT "Free/Dirty block details\n");
- printk(KERN_CRIT "free_blocks=%lld\n",
- (long long) percpu_counter_sum(&sbi->s_freeblocks_counter));
- printk(KERN_CRIT "dirty_blocks=%lld\n",
- (long long) percpu_counter_sum(&sbi->s_dirtyblocks_counter));
- printk(KERN_CRIT "Block reservation details\n");
- printk(KERN_CRIT "i_reserved_data_blocks=%u\n",
- EXT4_I(inode)->i_reserved_data_blocks);
- printk(KERN_CRIT "i_reserved_meta_blocks=%u\n",
- EXT4_I(inode)->i_reserved_meta_blocks);
+ pr_crit("Total free blocks count %lld\n",
+ ext4_count_free_blocks(inode->i_sb));
+ pr_crit("Free/Dirty block details\n");
+ pr_crit("free_blocks=%lld\n",
+ (long long) percpu_counter_sum(&sbi->s_freeblocks_counter));
+ pr_crit("dirty_blocks=%lld\n",
+ (long long) percpu_counter_sum(&sbi->s_dirtyblocks_counter));
+ pr_crit("Block reservation details\n");
+ pr_crit("i_reserved_data_blocks=%u\n",
+ EXT4_I(inode)->i_reserved_data_blocks);
+ pr_crit("i_reserved_meta_blocks=%u\n",
+ EXT4_I(inode)->i_reserved_meta_blocks);
return;
}
@@ -2662,7 +2664,7 @@ static void ext4_end_io_buffer_write(struct buffer_head *bh, int uptodate)
goto out;
if (!(io_end->inode->i_sb->s_flags & MS_ACTIVE)) {
- printk("sb umounted, discard end_io request for inode %lu\n",
+ pr_info("sb umounted, discard end_io request for inode %lu\n",
io_end->inode->i_ino);
ext4_free_io_end(io_end);
goto out;
@@ -21,6 +21,8 @@
* mballoc.c contains the multiblocks allocation routines
*/
+#define pr_fmt(fmt) "EXT4-fs: " fmt
+
#include "mballoc.h"
#include <linux/debugfs.h>
#include <linux/slab.h>
@@ -526,9 +528,8 @@ static inline void mb_cmp_bitmaps(struct ext4_buddy *e4b, void *bitmap)
#define MB_CHECK_ASSERT(assert) \
do { \
if (!(assert)) { \
- printk(KERN_EMERG \
- "Assertion failure in %s() at %s:%d: \"%s\"\n", \
- function, file, line, # assert); \
+ pr_emerg("Assertion failure in %s() at %s:%d: \"%s\"\n", \
+ function, file, line, # assert); \
BUG(); \
} \
} while (0)
@@ -631,8 +632,7 @@ static int __mb_check_buddy(struct ext4_buddy *e4b, char *file,
return 0;
}
#undef MB_CHECK_ASSERT
-#define mb_check_buddy(e4b) __mb_check_buddy(e4b, \
- __FILE__, __func__, __LINE__)
+#define mb_check_buddy(e4b) __mb_check_buddy(e4b, __FILE__, __func__, __LINE__)
#else
#define mb_check_buddy(e4b)
#endif
@@ -643,9 +643,9 @@ static int __mb_check_buddy(struct ext4_buddy *e4b, char *file,
* Clear the bits in bitmap which the blocks of the chunk(s) covered,
* then increase bb_counters[] for corresponded chunk size.
*/
-static void ext4_mb_mark_free_simple(struct super_block *sb,
- void *buddy, ext4_grpblk_t first, ext4_grpblk_t len,
- struct ext4_group_info *grp)
+static void ext4_mb_mark_free_simple(struct super_block *sb, void *buddy,
+ ext4_grpblk_t first, ext4_grpblk_t len,
+ struct ext4_group_info *grp)
{
struct ext4_sb_info *sbi = EXT4_SB(sb);
ext4_grpblk_t min;
@@ -2081,7 +2081,7 @@ repeat:
* Someone more lucky has already allocated it.
* The only thing we can do is just take first
* found block(s)
- printk(KERN_DEBUG "EXT4-fs: someone won our chunk\n");
+ pr_debug("someone won our chunk\n");
*/
ac->ac_b_ex.fe_group = 0;
ac->ac_b_ex.fe_start = 0;
@@ -2225,8 +2225,7 @@ int ext4_mb_add_groupinfo(struct super_block *sb, ext4_group_t group,
EXT4_DESC_PER_BLOCK_BITS(sb);
meta_group_info = kmalloc(metalen, GFP_KERNEL);
if (meta_group_info == NULL) {
- ext4_msg(sb, KERN_ERR, "EXT4-fs: can't allocate mem "
- "for a buddy group");
+ ext4_msg(sb, KERN_ERR, "can't allocate mem for a buddy group");
goto exit_meta_group_info;
}
sbi->s_group_info[group >> EXT4_DESC_PER_BLOCK_BITS(sb)] =
@@ -2239,7 +2238,7 @@ int ext4_mb_add_groupinfo(struct super_block *sb, ext4_group_t group,
meta_group_info[i] = kmem_cache_alloc(cachep, GFP_KERNEL);
if (meta_group_info[i] == NULL) {
- ext4_msg(sb, KERN_ERR, "EXT4-fs: can't allocate buddy mem");
+ ext4_msg(sb, KERN_ERR, "can't allocate buddy mem");
goto exit_group_info;
}
memset(meta_group_info[i], 0, kmem_cache_size(cachep));
@@ -2415,8 +2414,7 @@ static int ext4_groupinfo_create_slab(size_t size)
mutex_unlock(&ext4_grpinfo_slab_create_mutex);
if (!cachep) {
- printk(KERN_EMERG
- "EXT4-fs: no memory for groupinfo slab cache\n");
+ pr_emerg("no memory for groupinfo slab cache\n");
return -ENOMEM;
}
@@ -3883,11 +3881,11 @@ static void ext4_mb_show_ac(struct ext4_allocation_context *ac)
(EXT4_SB(sb)->s_mount_flags & EXT4_MF_FS_ABORTED))
return;
- ext4_msg(ac->ac_sb, KERN_ERR, "EXT4-fs: Can't allocate:"
+ ext4_msg(ac->ac_sb, KERN_ERR, "Can't allocate:"
" Allocation context details:");
- ext4_msg(ac->ac_sb, KERN_ERR, "EXT4-fs: status %d flags %d",
+ ext4_msg(ac->ac_sb, KERN_ERR, "status %d flags %d",
ac->ac_status, ac->ac_flags);
- ext4_msg(ac->ac_sb, KERN_ERR, "EXT4-fs: orig %lu/%lu/%lu@%lu, "
+ ext4_msg(ac->ac_sb, KERN_ERR, "orig %lu/%lu/%lu@%lu, "
"goal %lu/%lu/%lu@%lu, "
"best %lu/%lu/%lu@%lu cr %d",
(unsigned long)ac->ac_o_ex.fe_group,
@@ -3903,9 +3901,9 @@ static void ext4_mb_show_ac(struct ext4_allocation_context *ac)
(unsigned long)ac->ac_b_ex.fe_len,
(unsigned long)ac->ac_b_ex.fe_logical,
(int)ac->ac_criteria);
- ext4_msg(ac->ac_sb, KERN_ERR, "EXT4-fs: %lu scanned, %d found",
+ ext4_msg(ac->ac_sb, KERN_ERR, "%lu scanned, %d found",
ac->ac_ex_scanned, ac->ac_found);
- ext4_msg(ac->ac_sb, KERN_ERR, "EXT4-fs: groups: ");
+ ext4_msg(ac->ac_sb, KERN_ERR, "groups: ");
ngroups = ext4_get_groups_count(sb);
for (i = 0; i < ngroups; i++) {
struct ext4_group_info *grp = ext4_get_group_info(sb, i);
@@ -3920,17 +3918,14 @@ static void ext4_mb_show_ac(struct ext4_allocation_context *ac)
ext4_get_group_no_and_offset(sb, pa->pa_pstart,
NULL, &start);
spin_unlock(&pa->pa_lock);
- printk(KERN_ERR "PA:%u:%d:%u \n", i,
- start, pa->pa_len);
+ pr_err("PA:%u:%d:%u\n", i, start, pa->pa_len);
}
ext4_unlock_group(sb, i);
if (grp->bb_free == 0)
continue;
- printk(KERN_ERR "%u: %d/%d \n",
- i, grp->bb_free, grp->bb_fragments);
+ pr_err("%u: %d/%d\n", i, grp->bb_free, grp->bb_fragments);
}
- printk(KERN_ERR "\n");
}
#else
static inline void ext4_mb_show_ac(struct ext4_allocation_context *ac)
@@ -4710,7 +4705,7 @@ int ext4_group_add_blocks(handle_t *handle, struct super_block *sb,
* boundary.
*/
if (bit + count > EXT4_BLOCKS_PER_GROUP(sb)) {
- ext4_warning(sb, "too much blocks added to group %u\n",
+ ext4_warning(sb, "too many blocks added to group %u\n",
block_group);
err = -EINVAL;
goto error_return;
@@ -39,16 +39,17 @@
#ifdef CONFIG_EXT4_DEBUG
extern u8 mb_enable_debug;
-#define mb_debug(n, fmt, a...) \
- do { \
- if ((n) <= mb_enable_debug) { \
- printk(KERN_DEBUG "(%s, %d): %s: ", \
- __FILE__, __LINE__, __func__); \
- printk(fmt, ## a); \
- } \
- } while (0)
+#define mb_debug(n, fmt, args...) \
+do { \
+ if ((n) <= mb_enable_debug) { \
+ pr_debug("(%s, %d): %s: " fmt, \
+ __FILE__, __LINE__, __func__, ##args); \
+ } \
+} while (0)
#else
-#define mb_debug(n, fmt, a...)
+#define mb_debug(n, fmt, args...) \
+ no_printk(fmt, ##args)
+
#endif
#define EXT4_MB_HISTORY_ALLOC 1 /* allocation */
@@ -1027,12 +1027,12 @@ mext_check_arguments(struct inode *orig_inode,
/* TODO: eliminate this artificial restriction */
if (orig_start + *len > donor_blocks) {
ext4_debug("ext4 move extent: End offset [%llu] should "
- "be less than donor file blocks [%u]."
- "So adjust length from %llu to %llu "
- "[ino:orig %lu, donor %lu]\n",
- orig_start + *len, donor_blocks,
- *len, donor_blocks - orig_start,
- orig_inode->i_ino, donor_inode->i_ino);
+ "be less than donor file blocks [%u]. "
+ "So length adjusted from %llu to %llu "
+ "[ino:orig %lu, donor %lu]\n",
+ orig_start + *len, donor_blocks,
+ *len, donor_blocks - orig_start,
+ orig_inode->i_ino, donor_inode->i_ino);
*len = donor_blocks - orig_start;
}
} else {
@@ -1047,12 +1047,12 @@ mext_check_arguments(struct inode *orig_inode,
}
if (orig_start + *len > orig_blocks) {
- ext4_debug("ext4 move extent: Adjust length "
- "from %llu to %llu. Because it should be "
- "less than original file blocks "
- "[ino:orig %lu, donor %lu]\n",
- *len, orig_blocks - orig_start,
- orig_inode->i_ino, donor_inode->i_ino);
+ ext4_debug("ext4 move extent: Adjusted length "
+ "from %llu to %llu because it should be "
+ "less than original file blocks "
+ "[ino:orig %lu, donor %lu]\n",
+ *len, orig_blocks - orig_start,
+ orig_inode->i_ino, donor_inode->i_ino);
*len = orig_blocks - orig_start;
}
}
@@ -24,6 +24,8 @@
* Theodore Ts'o, 2002
*/
+#define pr_fmt(fmt) "EXT4-fs: " fmt
+
#include <linux/fs.h>
#include <linux/pagemap.h>
#include <linux/jbd2.h>
@@ -255,12 +257,12 @@ static inline unsigned dx_node_limit(struct inode *dir)
static void dx_show_index(char * label, struct dx_entry *entries)
{
int i, n = dx_get_count (entries);
- printk(KERN_DEBUG "%s index ", label);
+ pr_debug("%s index", label);
for (i = 0; i < n; i++) {
- printk("%x->%lu ", i ? dx_get_hash(entries + i) :
- 0, (unsigned long)dx_get_block(entries + i));
+ pr_cont(" %x->%lu", i ? dx_get_hash(entries + i) :
+ 0, (unsigned long)dx_get_block(entries + i));
}
- printk("\n");
+ pr_cont("\n");
}
struct stats
@@ -277,7 +279,7 @@ static struct stats dx_show_leaf(struct dx_hash_info *hinfo, struct ext4_dir_ent
char *base = (char *) de;
struct dx_hash_info h = *hinfo;
- printk("names: ");
+ pr_info("names: ");
while ((char *) de < base + size)
{
if (de->inode)
@@ -286,9 +288,9 @@ static struct stats dx_show_leaf(struct dx_hash_info *hinfo, struct ext4_dir_ent
{
int len = de->name_len;
char *name = de->name;
- while (len--) printk("%c", *name++);
+ while (len--) pr_cont("%c", *name++);
ext4fs_dirhash(de->name, de->name_len, &h);
- printk(":%x.%u ", h.hash,
+ pr_cont(":%x.%u ", h.hash,
(unsigned) ((char *) de - base));
}
space += EXT4_DIR_REC_LEN(de->name_len);
@@ -296,7 +298,7 @@ static struct stats dx_show_leaf(struct dx_hash_info *hinfo, struct ext4_dir_ent
}
de = ext4_next_entry(de, size);
}
- printk("(%i)\n", names);
+ pr_cont("(%i)\n", names);
return (struct stats) { names, space, 1 };
}
@@ -308,14 +310,14 @@ struct stats dx_show_entries(struct dx_hash_info *hinfo, struct inode *dir,
unsigned bcount = 0;
struct buffer_head *bh;
int err;
- printk("%i indexed blocks...\n", count);
+ pr_info("%i indexed blocks...\n", count);
for (i = 0; i < count; i++, entries++)
{
ext4_lblk_t block = dx_get_block(entries);
ext4_lblk_t hash = i ? dx_get_hash(entries): 0;
u32 range = i < count - 1? (dx_get_hash(entries + 1) - hash): ~hash;
struct stats stats;
- printk("%s%3u:%03u hash %8x/%8x ",levels?"":" ", i, block, hash, range);
+ pr_info("%s%3u:%03u hash %8x/%8x ",levels?"":" ", i, block, hash, range);
if (!(bh = ext4_bread (NULL,dir, block, 0,&err))) continue;
stats = levels?
dx_show_entries(hinfo, dir, ((struct dx_node *) bh->b_data)->entries, levels - 1):
@@ -326,9 +328,9 @@ struct stats dx_show_entries(struct dx_hash_info *hinfo, struct inode *dir,
brelse(bh);
}
if (bcount)
- printk(KERN_DEBUG "%snames %u, fullness %u (%u%%)\n",
- levels ? "" : " ", names, space/bcount,
- (space/bcount)*100/blocksize);
+ pr_debug("%snames %u, fullness %u (%u%%)\n",
+ levels ? "" : " ", names, space/bcount,
+ (space/bcount)*100/blocksize);
return (struct stats) { names, space, bcount};
}
#endif /* DX_DEBUG */
@@ -401,7 +403,7 @@ dx_probe(const struct qstr *d_name, struct inode *dir,
goto fail;
}
- dxtrace(printk("Look up %x", hash));
+ dxtrace(pr_debug("Look up %x", hash));
while (1)
{
count = dx_get_count(entries);
@@ -418,7 +420,7 @@ dx_probe(const struct qstr *d_name, struct inode *dir,
while (p <= q)
{
m = p + (q - p)/2;
- dxtrace(printk("."));
+ dxtrace(pr_cont("."));
if (dx_get_hash(m) > hash)
q = m - 1;
else
@@ -431,7 +433,7 @@ dx_probe(const struct qstr *d_name, struct inode *dir,
at = entries;
while (n--)
{
- dxtrace(printk(","));
+ dxtrace(pr_cont(","));
if (dx_get_hash(++at) > hash)
{
at--;
@@ -442,7 +444,9 @@ dx_probe(const struct qstr *d_name, struct inode *dir,
}
at = p - 1;
- dxtrace(printk(" %x->%u\n", at == entries? 0: dx_get_hash(at), dx_get_block(at)));
+ dxtrace(pr_cont(" %x->%u\n",
+ at == entries ? 0 : dx_get_hash(at),
+ dx_get_block(at)));
frame->bh = bh;
frame->entries = entries;
frame->at = at;
@@ -572,8 +576,8 @@ static int htree_dirblock_to_tree(struct file *dir_file,
struct ext4_dir_entry_2 *de, *top;
int err, count = 0;
- dxtrace(printk(KERN_INFO "In htree dirblock_to_tree: block %lu\n",
- (unsigned long)block));
+ dxtrace(pr_info("In htree dirblock_to_tree: block %lu\n",
+ (unsigned long)block));
if (!(bh = ext4_bread (NULL, dir, block, 0, &err)))
return err;
@@ -630,8 +634,8 @@ int ext4_htree_fill_tree(struct file *dir_file, __u32 start_hash,
int ret, err;
__u32 hashval;
- dxtrace(printk(KERN_DEBUG "In htree_fill_tree, start hash: %x:%x\n",
- start_hash, start_minor_hash));
+ dxtrace(pr_debug("In htree_fill_tree, start hash: %x:%x\n",
+ start_hash, start_minor_hash));
dir = dir_file->f_path.dentry->d_inode;
if (!(ext4_test_inode_flag(dir, EXT4_INODE_INDEX))) {
hinfo.hash_version = EXT4_SB(dir->i_sb)->s_def_hash_version;
@@ -692,8 +696,8 @@ int ext4_htree_fill_tree(struct file *dir_file, __u32 start_hash,
break;
}
dx_release(frames);
- dxtrace(printk(KERN_DEBUG "Fill tree: returned %d entries, "
- "next hash: %x\n", count, *next_hash));
+ dxtrace(pr_debug("Fill tree: returned %d entries, next hash: %x\n",
+ count, *next_hash));
return count;
errout:
dx_release(frames);
@@ -891,8 +895,7 @@ static struct buffer_head * ext4_find_entry (struct inode *dir,
*/
if (bh || (err != ERR_BAD_DX_DIR))
return bh;
- dxtrace(printk(KERN_DEBUG "ext4_find_entry: dx failed, "
- "falling back\n"));
+ dxtrace(pr_debug("%s: dx failed, falling back\n", __func__));
}
nblocks = dir->i_size >> EXT4_BLOCK_SIZE_BITS(sb);
start = EXT4_I(dir)->i_dir_start_lookup;
@@ -1013,7 +1016,7 @@ static struct buffer_head * ext4_dx_find_entry(struct inode *dir, const struct q
*err = -ENOENT;
errout:
- dxtrace(printk(KERN_DEBUG "%s not found\n", d_name->name));
+ dxtrace(pr_debug("%s not found\n", d_name->name));
dx_release (frames);
return NULL;
}
@@ -1199,9 +1202,9 @@ static struct ext4_dir_entry_2 *do_split(handle_t *handle, struct inode *dir,
split = count - move;
hash2 = map[split].hash;
continued = hash2 == map[split - 1].hash;
- dxtrace(printk(KERN_INFO "Split block %lu at %x, %i/%i\n",
+ dxtrace(pr_info("Split block %lu at %x, %i/%i\n",
(unsigned long)dx_get_block(frame->at),
- hash2, split, count-split));
+ hash2, split, count-split));
/* Fancy dance to stay within two buffers */
de2 = dx_move_dirents(data1, data2, map + split, count - split, blocksize);
@@ -1350,7 +1353,7 @@ static int make_indexed_dir(handle_t *handle, struct dentry *dentry,
struct fake_dirent *fde;
blocksize = dir->i_sb->s_blocksize;
- dxtrace(printk(KERN_DEBUG "Creating index: inode %lu\n", dir->i_ino));
+ dxtrace(pr_debug("Creating index: inode %lu\n", dir->i_ino));
retval = ext4_journal_get_write_access(handle, bh);
if (retval) {
ext4_std_error(dir->i_sb, retval);
@@ -1528,8 +1531,8 @@ static int ext4_dx_add_entry(handle_t *handle, struct dentry *dentry,
goto cleanup;
/* Block full, should compress but for now just split */
- dxtrace(printk(KERN_DEBUG "using %u of %u node entries\n",
- dx_get_count(entries), dx_get_limit(entries)));
+ dxtrace(pr_debug("Using %u of %u node entries\n",
+ dx_get_count(entries), dx_get_limit(entries)));
/* Need to split index? */
if (dx_get_count(entries) == dx_get_limit(entries)) {
ext4_lblk_t newblock;
@@ -1560,8 +1563,8 @@ static int ext4_dx_add_entry(handle_t *handle, struct dentry *dentry,
if (levels) {
unsigned icount1 = icount/2, icount2 = icount - icount1;
unsigned hash2 = dx_get_hash(entries + icount1);
- dxtrace(printk(KERN_DEBUG "Split index %i/%i\n",
- icount1, icount2));
+ dxtrace(pr_debug("Split index %i/%i\n",
+ icount1, icount2));
BUFFER_TRACE(frame->bh, "get_write_access"); /* index root */
err = ext4_journal_get_write_access(handle,
@@ -1590,8 +1593,7 @@ static int ext4_dx_add_entry(handle_t *handle, struct dentry *dentry,
goto journal_error;
brelse (bh2);
} else {
- dxtrace(printk(KERN_DEBUG
- "Creating second level index...\n"));
+ dxtrace(pr_debug("Creating second level index...\n"));
memcpy((char *) entries2, (char *) entries,
icount * sizeof(struct dx_entry));
dx_set_limit(entries2, dx_node_limit(dir));
@@ -6,6 +6,8 @@
* Written by Theodore Ts'o, 2010.
*/
+#define pr_fmt(fmt) "EXT4-fs: " fmt
+
#include <linux/module.h>
#include <linux/fs.h>
#include <linux/time.h>
@@ -108,7 +110,7 @@ int ext4_end_io_nolock(ext4_io_end_t *io)
ret = ext4_convert_unwritten_extents(inode, offset, size);
if (ret < 0) {
- printk(KERN_EMERG "%s: failed to convert unwritten "
+ pr_emerg("%s: failed to convert unwritten "
"extents to written extents, error is %d "
"io is still on inode %lu aio dio list\n",
__func__, ret, inode->i_ino);
@@ -179,7 +181,7 @@ ext4_io_end_t *ext4_init_io_end(struct inode *inode, gfp_t flags)
static void buffer_io_error(struct buffer_head *bh)
{
char b[BDEVNAME_SIZE];
- printk(KERN_ERR "Buffer I/O error on device %s, logical block %llu\n",
+ pr_err("Buffer I/O error on device %s, logical block %llu\n",
bdevname(bh->b_bdev, b),
(unsigned long long)bh->b_blocknr);
}
@@ -8,6 +8,7 @@
* This could probably be made into a module, because it is not often in use.
*/
+#define pr_fmt(fmt) "EXT4-fs: " fmt
#define EXT4FS_DEBUG
@@ -29,7 +30,7 @@ int ext4_resize_begin(struct super_block *sb)
*/
if (EXT4_SB(sb)->s_mount_state & EXT4_ERROR_FS) {
ext4_warning(sb, "There are errors in the filesystem, "
- "so online resizing is not allowed\n");
+ "so online resizing is not allowed");
return -EPERM;
}
@@ -69,11 +70,10 @@ static int verify_group_input(struct super_block *sb,
input->blocks_count - 2 - overhead - sbi->s_itb_per_group;
if (test_opt(sb, DEBUG))
- printk(KERN_DEBUG "EXT4-fs: adding %s group %u: %u blocks "
- "(%d free, %u reserved)\n",
- ext4_bg_has_super(sb, input->group) ? "normal" :
- "no-super", input->group, input->blocks_count,
- free_blocks_count, input->reserved_blocks);
+ pr_debug("EXT4-fs: adding %s group %u: %u blocks (%d free, %u reserved)\n",
+ ext4_bg_has_super(sb, input->group) ? "normal" :
+ "no-super", input->group, input->blocks_count,
+ free_blocks_count, input->reserved_blocks);
ext4_get_group_no_and_offset(sb, start, NULL, &offset);
if (group != sbi->s_groups_count)
@@ -409,9 +409,8 @@ static int add_new_gdb(handle_t *handle, struct inode *inode,
int err;
if (test_opt(sb, DEBUG))
- printk(KERN_DEBUG
- "EXT4-fs: ext4_add_new_gdb: adding group block %lu\n",
- gdb_num);
+ pr_debug("ext4_add_new_gdb: adding group block %lu\n",
+ gdb_num);
/*
* If we are not using the primary superblock/GDT copy don't resize,
@@ -992,16 +991,15 @@ int ext4_group_extend(struct super_block *sb, struct ext4_super_block *es,
o_blocks_count = ext4_blocks_count(es);
if (test_opt(sb, DEBUG))
- printk(KERN_DEBUG "EXT4-fs: extending last group from %llu to %llu blocks\n",
- o_blocks_count, n_blocks_count);
+ pr_debug("extending last group from %llu to %llu blocks\n",
+ o_blocks_count, n_blocks_count);
if (n_blocks_count == 0 || n_blocks_count == o_blocks_count)
return 0;
if (n_blocks_count > (sector_t)(~0ULL) >> (sb->s_blocksize_bits - 9)) {
- printk(KERN_ERR "EXT4-fs: filesystem on %s:"
- " too large to resize to %llu blocks safely\n",
- sb->s_id, n_blocks_count);
+ pr_err("filesystem on %s: too large to resize to %llu blocks safely\n",
+ sb->s_id, n_blocks_count);
if (sizeof(sector_t) < 8)
ext4_warning(sb, "CONFIG_LBDAF not enabled");
return -EINVAL;
@@ -1074,8 +1072,8 @@ int ext4_group_extend(struct super_block *sb, struct ext4_super_block *es,
goto exit_put;
if (test_opt(sb, DEBUG))
- printk(KERN_DEBUG "EXT4-fs: extended group to %llu blocks\n",
- ext4_blocks_count(es));
+ pr_debug("extended group to %llu blocks\n",
+ ext4_blocks_count(es));
update_backups(sb, EXT4_SB(sb)->s_sbh->b_blocknr, (char *)es,
sizeof(struct ext4_super_block));
exit_put:
@@ -16,6 +16,8 @@
* David S. Miller (davem@caip.rutgers.edu), 1995
*/
+#define pr_fmt(fmt) "EXT4-fs: " fmt
+
#include <linux/module.h>
#include <linux/string.h>
#include <linux/fs.h>
@@ -374,7 +376,7 @@ void ext4_journal_abort_handle(const char *caller, unsigned int line,
if (is_handle_aborted(handle))
return;
- printk(KERN_ERR "%s:%d: aborting transaction: %s in %s\n",
+ pr_err("%s:%d: aborting transaction: %s in %s\n",
caller, line, errstr, err_fn);
jbd2_journal_abort_handle(handle);
@@ -460,8 +462,8 @@ void __ext4_error(struct super_block *sb, const char *function,
va_start(args, fmt);
vaf.fmt = fmt;
vaf.va = &args;
- printk(KERN_CRIT "EXT4-fs error (device %s): %s:%d: comm %s: %pV\n",
- sb->s_id, function, line, current->comm, &vaf);
+ pr_crit("error (device %s): %s:%d: comm %s: %pV\n",
+ sb->s_id, function, line, current->comm, &vaf);
va_end(args);
ext4_handle_error(sb);
@@ -474,18 +476,27 @@ void ext4_error_inode(struct inode *inode, const char *function,
va_list args;
struct va_format vaf;
struct ext4_super_block *es = EXT4_SB(inode->i_sb)->s_es;
+ char cblock[sizeof("block: ") + sizeof(unsigned long long) * 3];
es->s_last_error_ino = cpu_to_le32(inode->i_ino);
es->s_last_error_block = cpu_to_le64(block);
save_error_info(inode->i_sb, function, line);
+
+ if (block)
+ snprintf(cblock, sizeof(cblock), "block %llu: ",
+ (unsigned long long)block);
+ else
+ cblock[0] = 0;
+
va_start(args, fmt);
+
vaf.fmt = fmt;
vaf.va = &args;
- printk(KERN_CRIT "EXT4-fs error (device %s): %s:%d: inode #%lu: ",
- inode->i_sb->s_id, function, line, inode->i_ino);
- if (block)
- printk(KERN_CONT "block %llu: ", block);
- printk(KERN_CONT "comm %s: %pV\n", current->comm, &vaf);
+
+ pr_crit("error (device %s): %s:%d: inode #%lu: %scomm %s: %pV\n",
+ inode->i_sb->s_id, function, line, inode->i_ino, cblock,
+ current->comm, &vaf);
+
va_end(args);
ext4_handle_error(inode->i_sb);
@@ -500,6 +511,7 @@ void ext4_error_file(struct file *file, const char *function,
struct ext4_super_block *es;
struct inode *inode = file->f_dentry->d_inode;
char pathname[80], *path;
+ char cblock[sizeof("block: ") + sizeof(unsigned long long) * 3];
es = EXT4_SB(inode->i_sb)->s_es;
es->s_last_error_ino = cpu_to_le32(inode->i_ino);
@@ -507,15 +519,22 @@ void ext4_error_file(struct file *file, const char *function,
path = d_path(&(file->f_path), pathname, sizeof(pathname));
if (IS_ERR(path))
path = "(unknown)";
- printk(KERN_CRIT
- "EXT4-fs error (device %s): %s:%d: inode #%lu: ",
- inode->i_sb->s_id, function, line, inode->i_ino);
+
if (block)
- printk(KERN_CONT "block %llu: ", block);
+ snprintf(cblock, sizeof(cblock), "block %llu: ",
+ (unsigned long long)block);
+ else
+ cblock[0] = 0;
+
va_start(args, fmt);
+
vaf.fmt = fmt;
vaf.va = &args;
- printk(KERN_CONT "comm %s: path %s: %pV\n", current->comm, path, &vaf);
+
+ pr_crit("error (device %s): %s:%d: inode #%lu: %scomm %s: path %s: %pV\n",
+ inode->i_sb->s_id, function, line, inode->i_ino,
+ cblock, current->comm, path, &vaf);
+
va_end(args);
ext4_handle_error(inode->i_sb);
@@ -572,8 +591,8 @@ void __ext4_std_error(struct super_block *sb, const char *function,
return;
errstr = ext4_decode_error(sb, errno, nbuf);
- printk(KERN_CRIT "EXT4-fs error (device %s) in %s:%d: %s\n",
- sb->s_id, function, line, errstr);
+ pr_crit("error (device %s) in %s:%d: %s\n",
+ sb->s_id, function, line, errstr);
save_error_info(sb, function, line);
ext4_handle_error(sb);
@@ -593,13 +612,18 @@ void __ext4_abort(struct super_block *sb, const char *function,
unsigned int line, const char *fmt, ...)
{
va_list args;
+ struct va_format vaf;
save_error_info(sb, function, line);
+
va_start(args, fmt);
- printk(KERN_CRIT "EXT4-fs error (device %s): %s:%d: ", sb->s_id,
- function, line);
- vprintk(fmt, args);
- printk("\n");
+
+ vaf.fmt = fmt;
+ vaf.va = &args;
+
+ pr_crit("error (device %s): %s:%d: %pV\n",
+ sb->s_id, function, line, &vaf);
+
va_end(args);
if ((sb->s_flags & MS_RDONLY) == 0) {
@@ -620,9 +644,12 @@ void ext4_msg(struct super_block *sb, const char *prefix, const char *fmt, ...)
va_list args;
va_start(args, fmt);
+
vaf.fmt = fmt;
vaf.va = &args;
- printk("%sEXT4-fs (%s): %pV\n", prefix, sb->s_id, &vaf);
+
+ printk("%s" pr_fmt("(%s): %pV\n"), prefix, sb->s_id, &vaf);
+
va_end(args);
}
@@ -633,10 +660,13 @@ void __ext4_warning(struct super_block *sb, const char *function,
va_list args;
va_start(args, fmt);
+
vaf.fmt = fmt;
vaf.va = &args;
- printk(KERN_WARNING "EXT4-fs warning (device %s): %s:%d: %pV\n",
- sb->s_id, function, line, &vaf);
+
+ pr_warn("warning (device %s): %s:%d: %pV\n",
+ sb->s_id, function, line, &vaf);
+
va_end(args);
}
@@ -650,22 +680,32 @@ __acquires(bitlock)
struct va_format vaf;
va_list args;
struct ext4_super_block *es = EXT4_SB(sb)->s_es;
+ char cblock[sizeof("block: ") + sizeof(unsigned long long) * 3];
+ char cinode[sizeof("inode: ") + sizeof(unsigned long) * 3];
es->s_last_error_ino = cpu_to_le32(ino);
es->s_last_error_block = cpu_to_le64(block);
__save_error_info(sb, function, line);
+ if (ino)
+ snprintf(cinode, sizeof(cinode), " inode %lu:", ino);
+ else
+ cinode[0] = 0;
+
+ if (block)
+ snprintf(cblock, sizeof(cblock), " block %llu:",
+ (unsigned long long)block);
+ else
+ cblock[0] = 0;
+
va_start(args, fmt);
vaf.fmt = fmt;
vaf.va = &args;
- printk(KERN_CRIT "EXT4-fs error (device %s): %s:%d: group %u, ",
- sb->s_id, function, line, grp);
- if (ino)
- printk(KERN_CONT "inode %lu: ", ino);
- if (block)
- printk(KERN_CONT "block %llu:", (unsigned long long) block);
- printk(KERN_CONT "%pV\n", &vaf);
+
+ pr_crit("error (device %s): %s:%d: group %u,%s%s %pV\n",
+ sb->s_id, function, line, grp, cinode, cblock, &vaf);
+
va_end(args);
if (test_opt(sb, ERRORS_CONT)) {
@@ -767,11 +807,10 @@ static void dump_orphan_list(struct super_block *sb, struct ext4_sb_info *sbi)
ext4_msg(sb, KERN_ERR, "sb orphan head is %d",
le32_to_cpu(sbi->s_es->s_last_orphan));
- printk(KERN_ERR "sb_info orphan list:\n");
+ pr_err("sb_info orphan list:\n");
list_for_each(l, &sbi->s_orphan) {
struct inode *inode = orphan_list_entry(l);
- printk(KERN_ERR " "
- "inode %s:%lu at %p: mode %o, nlink %d, next %d\n",
+ pr_err(" inode %s:%lu at %p: mode %o, nlink %d, next %d\n",
inode->i_sb->s_id, inode->i_ino, inode,
inode->i_mode, inode->i_nlink,
NEXT_ORPHAN(inode));
@@ -1411,8 +1450,7 @@ static ext4_fsblk_t get_sb_block(void **data)
/* TODO: use simple_strtoll with >32bit ext4 */
sb_block = simple_strtoul(options, &options, 0);
if (*options && *options != ',') {
- printk(KERN_ERR "EXT4-fs: Invalid sb specification: %s\n",
- (char *) *data);
+ pr_err("Invalid sb specification: %s\n", (char *) *data);
return 1;
}
if (*options == ',')
@@ -1435,27 +1473,25 @@ static int set_qf_name(struct super_block *sb, int qtype, substring_t *args)
if (sb_any_quota_loaded(sb) &&
!sbi->s_qf_names[qtype]) {
ext4_msg(sb, KERN_ERR,
- "Cannot change journaled "
- "quota options when quota turned on");
+ "Cannot change journaled quota options when quota turned on");
return 0;
}
qname = match_strdup(args);
if (!qname) {
ext4_msg(sb, KERN_ERR,
- "Not enough memory for storing quotafile name");
+ "Not enough memory for storing quotafile name");
return 0;
}
if (sbi->s_qf_names[qtype] &&
strcmp(sbi->s_qf_names[qtype], qname)) {
ext4_msg(sb, KERN_ERR,
- "%s quota file already specified", QTYPE2NAME(qtype));
+ "%s quota file already specified", QTYPE2NAME(qtype));
kfree(qname);
return 0;
}
sbi->s_qf_names[qtype] = qname;
if (strchr(sbi->s_qf_names[qtype], '/')) {
- ext4_msg(sb, KERN_ERR,
- "quotafile must be on filesystem root");
+ ext4_msg(sb, KERN_ERR, "quotafile must be on filesystem root");
kfree(sbi->s_qf_names[qtype]);
sbi->s_qf_names[qtype] = NULL;
return 0;
@@ -1471,8 +1507,8 @@ static int clear_qf_name(struct super_block *sb, int qtype)
if (sb_any_quota_loaded(sb) &&
sbi->s_qf_names[qtype]) {
- ext4_msg(sb, KERN_ERR, "Cannot change journaled quota options"
- " when quota turned on");
+ ext4_msg(sb, KERN_ERR,
+ "Cannot change journaled quota options when quota turned on");
return 0;
}
/*
@@ -1615,7 +1651,7 @@ static int parse_options(char *options, struct super_block *sb,
case Opt_journal_dev:
if (is_remount) {
ext4_msg(sb, KERN_ERR,
- "Cannot specify journal on remount");
+ "Cannot specify journal on remount");
return 0;
}
if (match_int(&args[0], &option))
@@ -1669,7 +1705,7 @@ static int parse_options(char *options, struct super_block *sb,
if (is_remount) {
if (test_opt(sb, DATA_FLAGS) != data_opt) {
ext4_msg(sb, KERN_ERR,
- "Cannot change data mode on remount");
+ "Cannot change data mode on remount");
return 0;
}
} else {
@@ -1712,9 +1748,8 @@ static int parse_options(char *options, struct super_block *sb,
set_qf_format:
if (sb_any_quota_loaded(sb) &&
sbi->s_jquota_fmt != qfmt) {
- ext4_msg(sb, KERN_ERR, "Cannot change "
- "journaled quota options when "
- "quota turned on");
+ ext4_msg(sb, KERN_ERR,
+ "Cannot change journaled quota options when quota turned on");
return 0;
}
sbi->s_jquota_fmt = qfmt;
@@ -1730,8 +1765,8 @@ set_qf_format:
break;
case Opt_noquota:
if (sb_any_quota_loaded(sb)) {
- ext4_msg(sb, KERN_ERR, "Cannot change quota "
- "options when quota turned on");
+ ext4_msg(sb, KERN_ERR,
+ "Cannot change quota options when quota turned on");
return 0;
}
clear_opt(sb, QUOTA);
@@ -1742,8 +1777,7 @@ set_qf_format:
case Opt_quota:
case Opt_usrquota:
case Opt_grpquota:
- ext4_msg(sb, KERN_ERR,
- "quota options not supported");
+ ext4_msg(sb, KERN_ERR, "quota options not supported");
break;
case Opt_usrjquota:
case Opt_grpjquota:
@@ -1753,7 +1787,7 @@ set_qf_format:
case Opt_jqfmt_vfsv0:
case Opt_jqfmt_vfsv1:
ext4_msg(sb, KERN_ERR,
- "journaled quota options not supported");
+ "journaled quota options not supported");
break;
case Opt_noquota:
break;
@@ -1780,8 +1814,7 @@ set_qf_format:
case Opt_resize:
if (!is_remount) {
ext4_msg(sb, KERN_ERR,
- "resize option only available "
- "for remount");
+ "resize option only available for remount");
return 0;
}
if (match_int(&args[0], &option) != 0)
@@ -1832,8 +1865,7 @@ set_qf_format:
return 0;
if (option && !is_power_of_2(option)) {
ext4_msg(sb, KERN_ERR,
- "EXT4-fs: inode_readahead_blks"
- " must be a power of 2");
+ "inode_readahead_blks must be a power of 2");
return 0;
}
sbi->s_inode_readahead_blks = option;
@@ -1968,8 +2000,7 @@ static int ext4_setup_super(struct super_block *sb, struct ext4_super_block *es,
ext4_commit_super(sb, 1);
if (test_opt(sb, DEBUG))
- printk(KERN_INFO "[EXT4 FS bs=%lu, gc=%u, "
- "bpg=%lu, ipg=%lu, mo=%04x, mo2=%04x]\n",
+ pr_info("bs=%lu, gc=%u, bpg=%lu, ipg=%lu, mo=%04x, mo2=%04x\n",
sb->s_blocksize,
sbi->s_groups_count,
EXT4_BLOCKS_PER_GROUP(sb),
@@ -2224,16 +2255,16 @@ static void ext4_orphan_cleanup(struct super_block *sb,
dquot_initialize(inode);
if (inode->i_nlink) {
ext4_msg(sb, KERN_DEBUG,
- "%s: truncating inode %lu to %lld bytes",
- __func__, inode->i_ino, inode->i_size);
+ "%s: truncating inode %lu to %lld bytes",
+ __func__, inode->i_ino, inode->i_size);
jbd_debug(2, "truncating inode %lu to %lld bytes\n",
inode->i_ino, inode->i_size);
ext4_truncate(inode);
nr_truncates++;
} else {
ext4_msg(sb, KERN_DEBUG,
- "%s: deleting unreferenced inode %lu",
- __func__, inode->i_ino);
+ "%s: deleting unreferenced inode %lu",
+ __func__, inode->i_ino);
jbd_debug(2, "deleting unreferenced inode %lu\n",
inode->i_ino);
nr_orphans++;
@@ -2703,32 +2734,32 @@ static void print_daily_error_info(unsigned long arg)
ext4_msg(sb, KERN_NOTICE, "error count: %u",
le32_to_cpu(es->s_error_count));
if (es->s_first_error_time) {
- printk(KERN_NOTICE "EXT4-fs (%s): initial error at %u: %.*s:%d",
- sb->s_id, le32_to_cpu(es->s_first_error_time),
- (int) sizeof(es->s_first_error_func),
- es->s_first_error_func,
- le32_to_cpu(es->s_first_error_line));
+ pr_notice("(%s): initial error at %u: %.*s:%d",
+ sb->s_id, le32_to_cpu(es->s_first_error_time),
+ (int) sizeof(es->s_first_error_func),
+ es->s_first_error_func,
+ le32_to_cpu(es->s_first_error_line));
if (es->s_first_error_ino)
- printk(": inode %u",
- le32_to_cpu(es->s_first_error_ino));
+ pr_cont(": inode %u",
+ le32_to_cpu(es->s_first_error_ino));
if (es->s_first_error_block)
- printk(": block %llu", (unsigned long long)
- le64_to_cpu(es->s_first_error_block));
- printk("\n");
+ pr_cont(": block %llu", (unsigned long long)
+ le64_to_cpu(es->s_first_error_block));
+ pr_cont("\n");
}
if (es->s_last_error_time) {
- printk(KERN_NOTICE "EXT4-fs (%s): last error at %u: %.*s:%d",
- sb->s_id, le32_to_cpu(es->s_last_error_time),
- (int) sizeof(es->s_last_error_func),
- es->s_last_error_func,
- le32_to_cpu(es->s_last_error_line));
+ pr_notice("(%s): last error at %u: %.*s:%d",
+ sb->s_id, le32_to_cpu(es->s_last_error_time),
+ (int) sizeof(es->s_last_error_func),
+ es->s_last_error_func,
+ le32_to_cpu(es->s_last_error_line));
if (es->s_last_error_ino)
- printk(": inode %u",
- le32_to_cpu(es->s_last_error_ino));
+ pr_cont(": inode %u",
+ le32_to_cpu(es->s_last_error_ino));
if (es->s_last_error_block)
- printk(": block %llu", (unsigned long long)
- le64_to_cpu(es->s_last_error_block));
- printk("\n");
+ pr_cont(": block %llu", (unsigned long long)
+ le64_to_cpu(es->s_last_error_block));
+ pr_cont("\n");
}
mod_timer(&sbi->s_err_report, jiffies + 24*60*60*HZ); /* Once a day */
}
@@ -2919,9 +2950,8 @@ static int ext4_run_lazyinit_thread(void)
ext4_clear_request_list();
kfree(ext4_li_info);
ext4_li_info = NULL;
- printk(KERN_CRIT "EXT4: error %d creating inode table "
- "initialization thread\n",
- err);
+ pr_crit("error %d creating inode table initialization thread\n",
+ err);
return err;
}
ext4_li_info->li_state |= EXT4_LAZYINIT_RUNNING;
@@ -3626,7 +3656,7 @@ no_journal:
EXT4_SB(sb)->dio_unwritten_wq =
alloc_workqueue("ext4-dio-unwritten", WQ_MEM_RECLAIM | WQ_UNBOUND, 1);
if (!EXT4_SB(sb)->dio_unwritten_wq) {
- printk(KERN_ERR "EXT4-fs: failed to create DIO workqueue\n");
+ pr_err("failed to create DIO workqueue\n");
goto failed_mount_wq;
}
@@ -4863,8 +4893,7 @@ static inline void register_as_ext2(void)
{
int err = register_filesystem(&ext2_fs_type);
if (err)
- printk(KERN_WARNING
- "EXT4-fs: Unable to register as ext2 (%d)\n", err);
+ pr_warn("Unable to register as ext2 (%d)\n", err);
}
static inline void unregister_as_ext2(void)
@@ -4894,8 +4923,7 @@ static inline void register_as_ext3(void)
{
int err = register_filesystem(&ext3_fs_type);
if (err)
- printk(KERN_WARNING
- "EXT4-fs: Unable to register as ext3 (%d)\n", err);
+ pr_warn("Unable to register as ext3 (%d)\n", err);
}
static inline void unregister_as_ext3(void)
@@ -50,6 +50,8 @@
* by the buffer lock.
*/
+#define pr_fmt(fmt) "EXT4-fs: " fmt
+
#include <linux/init.h>
#include <linux/fs.h>
#include <linux/slab.h>
@@ -67,23 +69,27 @@
#define IS_LAST_ENTRY(entry) (*(__u32 *)(entry) == 0)
#ifdef EXT4_XATTR_DEBUG
-# define ea_idebug(inode, f...) do { \
- printk(KERN_DEBUG "inode %s:%lu: ", \
- inode->i_sb->s_id, inode->i_ino); \
- printk(f); \
- printk("\n"); \
- } while (0)
-# define ea_bdebug(bh, f...) do { \
- char b[BDEVNAME_SIZE]; \
- printk(KERN_DEBUG "block %s:%lu: ", \
- bdevname(bh->b_bdev, b), \
- (unsigned long) bh->b_blocknr); \
- printk(f); \
- printk("\n"); \
- } while (0)
+# define ea_idebug(inode, fmt, args...) \
+do { \
+ pr_debug("inode %s:%lu: " fmt "\n", \
+ inode->i_sb->s_id, inode->i_ino, ##args); \
+} while (0)
+# define ea_bdebug(bh, fmt, args...) \
+do { \
+ char b[BDEVNAME_SIZE]; \
+ pr_debug("block %s:%lu: " fmt "\n", \
+ bdevname(bh->b_bdev, b), \
+ (unsigned long)bh->b_blocknr, ##args); \
+} while (0)
#else
-# define ea_idebug(f...)
-# define ea_bdebug(f...)
+static inline __attribute__((format (printf, 2, 3)))
+void ea_idebug(const struct inode *inode, const char *fmt, ...)
+{
+}
+static inline __attribute__((format (printf, 2, 3)))
+void ea_bdebug(const struct buffer_head *bh, const char *fmt, ...)
+{
+}
#endif
static void ext4_xattr_cache_insert(struct buffer_head *);
@@ -220,7 +226,8 @@ ext4_xattr_block_get(struct inode *inode, int name_index, const char *name,
error = -ENODATA;
if (!EXT4_I(inode)->i_file_acl)
goto cleanup;
- ea_idebug(inode, "reading block %u", EXT4_I(inode)->i_file_acl);
+ ea_idebug(inode, "reading block %llu",
+ (unsigned long long)EXT4_I(inode)->i_file_acl);
bh = sb_bread(inode->i_sb, EXT4_I(inode)->i_file_acl);
if (!bh)
goto cleanup;
@@ -363,7 +370,8 @@ ext4_xattr_block_list(struct dentry *dentry, char *buffer, size_t buffer_size)
error = 0;
if (!EXT4_I(inode)->i_file_acl)
goto cleanup;
- ea_idebug(inode, "reading block %u", EXT4_I(inode)->i_file_acl);
+ ea_idebug(inode, "reading block %llu",
+ (unsigned long long)EXT4_I(inode)->i_file_acl);
bh = sb_bread(inode->i_sb, EXT4_I(inode)->i_file_acl);
error = -EIO;
if (!bh)
@@ -828,7 +836,8 @@ inserted:
if (!(ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS)))
BUG_ON(block > EXT4_MAX_BLOCK_FILE_PHYS);
- ea_idebug(inode, "creating block %d", block);
+ ea_idebug(inode, "creating block %llu",
+ (unsigned long long)block);
new_bh = sb_getblk(sb, block);
if (!new_bh) {
Always use "EXT4-fs: " logging message prefix so dmesg can be more easily grepped for EXT4 specific messages. Add #define pr_fmt(fmt) "EXT4-fs: " fmt Add ccflags-$(CONFIG-EXT4_FS) to always enable -DDEBUG for pr_debug. Convert printks to pr_<level>. Convert some bare printks to pr_cont. Consolidate split printks used in internal ext4_<warning|error>. Coalesce some long formats. Convert embedded function names to "%s: ", __func__. Neaten macro definitions that use fmt, arg... Correct macro definition of ext4_grp_locked_error to add ino and block. Add do {} while (0) to some macros, delete it from single lines. Add terminating newlines to a couple of messages. Remove terminating newline from ext4_warning use. Correct grammar in a few messages. Add casts to (unsigned long long) in 3 messages in xattr.c Miscellaneous whitespace neatening. Signed-off-by: Joe Perches <joe@perches.com> --- Updated against Linus' commit c027a474a680 with a couple more cleanups for new changes. fs/ext4/Makefile | 2 + fs/ext4/balloc.c | 12 ++- fs/ext4/block_validity.c | 11 ++- fs/ext4/dir.c | 5 +- fs/ext4/ext4.h | 102 ++++++++++++----------- fs/ext4/extents.c | 55 ++++++------- fs/ext4/ialloc.c | 41 ++++----- fs/ext4/indirect.c | 6 +- fs/ext4/inode.c | 28 ++++--- fs/ext4/mballoc.c | 45 +++++------ fs/ext4/mballoc.h | 19 ++-- fs/ext4/move_extent.c | 24 +++--- fs/ext4/namei.c | 72 ++++++++-------- fs/ext4/page-io.c | 6 +- fs/ext4/resize.c | 30 +++---- fs/ext4/super.c | 208 ++++++++++++++++++++++++++-------------------- fs/ext4/xattr.c | 47 ++++++---- 17 files changed, 380 insertions(+), 333 deletions(-)