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[1/2] Revert "UBUNTU: SAUCE: sync before umount to reduce time taken by ext4 umount"

Message ID 8a222043a09f940b84008f1e96ebb4fdd7e3e908.1273139148.git.surbhi.palande@canonical.com
State Superseded
Delegated to: Stefan Bader
Headers show

Commit Message

Surbhi Palande May 6, 2010, 10:34 a.m. UTC 
BugLink: http://launchpad.net/bugs/543617

This reverts commit 5e1941884c700b7b97bcad52c2d8212ac56a7ebc
for a patch taken from upstream kernel bugzilla, that fixes the issue for
which this commit was a temporary fix.

Signed-off-by: Surbhi Palande <surbhi.palande@canonical.com>
---
 fs/namespace.c     |    7 -------
 fs/sync.c          |    2 +-
 include/linux/fs.h |    1 -
 3 files changed, 1 insertions(+), 9 deletions(-)
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Patch

diff --git a/fs/namespace.c b/fs/namespace.c
index a648d7f..a2cadcf 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -33,7 +33,6 @@ 
 #include <asm/unistd.h>
 #include "pnode.h"
 #include "internal.h"
-#include <linux/fs.h>
 
 #define HASH_SHIFT ilog2(PAGE_SIZE / sizeof(struct list_head))
 #define HASH_SIZE (1UL << HASH_SHIFT)
@@ -1135,12 +1134,6 @@  SYSCALL_DEFINE2(umount, char __user *, name, int, flags)
 	if (!capable(CAP_SYS_ADMIN))
 		goto dput_and_out;
 
-	/* Temporary solution to fix long umount periods till
-	 * we find the real fix
-	 */
-	sync_filesystems(0);
-	sync_filesystems(1);
-
 	retval = do_umount(path.mnt, flags);
 dput_and_out:
 	/* we mustn't call path_put() as that would clear mnt_expiry_mark */
diff --git a/fs/sync.c b/fs/sync.c
index 09e3734..d104591 100644
--- a/fs/sync.c
+++ b/fs/sync.c
@@ -89,7 +89,7 @@  EXPORT_SYMBOL_GPL(sync_filesystem);
  * flags again, which will cause process A to resync everything.  Fix that with
  * a local mutex.
  */
-void sync_filesystems(int wait)
+static void sync_filesystems(int wait)
 {
 	struct super_block *sb;
 	static DEFINE_MUTEX(mutex);
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 1a51c61..692a3ee 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1973,7 +1973,6 @@  static inline int thaw_bdev(struct block_device *bdev, struct super_block *sb)
 	return 0;
 }
 #endif
-extern void sync_filesystems(int wait);
 extern int sync_filesystem(struct super_block *);
 extern const struct file_operations def_blk_fops;
 extern const struct file_operations def_chr_fops;