Message ID | 1425409389-21613-1-git-send-email-fabf@skynet.be |
---|---|
State | Rejected |
Headers | show |
On Tue, 2015-03-03 at 20:03 +0100, Fabian Frederick wrote: > use jffs2_eraseblock variables to simplify the code That looks more like it's obfuscating the code to me. Now you have to look up a few lines to see what the 'nextb' and 'gcb' variables actually point to. It doesn't even make it easier to read — if there were long lines with complex formulæ it might make some sense, but in this case I think there's really no point in this change. > Signed-off-by: Fabian Frederick <fabf@skynet.be> > --- > fs/jffs2/debug.c | 26 ++++++++++++++------------ > 1 file changed, 14 insertions(+), 12 deletions(-) > > diff --git a/fs/jffs2/debug.c b/fs/jffs2/debug.c > index 1090eb6..2ddb967 100644 > --- a/fs/jffs2/debug.c > +++ b/fs/jffs2/debug.c > @@ -160,26 +160,28 @@ __jffs2_dbg_prewrite_paranoia_check(struct jffs2_sb_info *c, > void __jffs2_dbg_superblock_counts(struct jffs2_sb_info *c) > { > struct jffs2_eraseblock *jeb; > + struct jffs2_eraseblock *gcb = c->gcblock; > + struct jffs2_eraseblock *nextb = c->nextblock; > uint32_t free = 0, dirty = 0, used = 0, wasted = 0, > erasing = 0, bad = 0, unchecked = 0; > int nr_counted = 0; > int dump = 0; > > - if (c->gcblock) { > + if (gcb) { > nr_counted++; > - free += c->gcblock->free_size; > - dirty += c->gcblock->dirty_size; > - used += c->gcblock->used_size; > - wasted += c->gcblock->wasted_size; > - unchecked += c->gcblock->unchecked_size; > + free += gcb->free_size; > + dirty += gcb->dirty_size; > + used += gcb->used_size; > + wasted += gcb->wasted_size; > + unchecked += gcb->unchecked_size; > } > - if (c->nextblock) { > + if (nextb) { > nr_counted++; > - free += c->nextblock->free_size; > - dirty += c->nextblock->dirty_size; > - used += c->nextblock->used_size; > - wasted += c->nextblock->wasted_size; > - unchecked += c->nextblock->unchecked_size; > + free += nextb->free_size; > + dirty += nextb->dirty_size; > + used += nextb->used_size; > + wasted += nextb->wasted_size; > + unchecked += nextb->unchecked_size; > } > list_for_each_entry(jeb, &c->clean_list, list) { > nr_counted++;
On March 3, 2015 2:44:24 PM EST, David Woodhouse <dwmw2@infradead.org> wrote: >On Tue, 2015-03-03 at 20:03 +0100, Fabian Frederick wrote: >> use jffs2_eraseblock variables to simplify the code > >That looks more like it's obfuscating the code to me. Now you have to >look up a few lines to see what the 'nextb' and 'gcb' variables >actually >point to. > >It doesn't even make it easier to read — if there were long lines with >complex formulæ it might make some sense, but in this case I think >there's really no point in this change. > I have to agree with maintainer too as after reading the patch I found the code harder to understand too. Nick > >> Signed-off-by: Fabian Frederick <fabf@skynet.be> >> --- >> fs/jffs2/debug.c | 26 ++++++++++++++------------ >> 1 file changed, 14 insertions(+), 12 deletions(-) >> >> diff --git a/fs/jffs2/debug.c b/fs/jffs2/debug.c >> index 1090eb6..2ddb967 100644 >> --- a/fs/jffs2/debug.c >> +++ b/fs/jffs2/debug.c >> @@ -160,26 +160,28 @@ __jffs2_dbg_prewrite_paranoia_check(struct >jffs2_sb_info *c, >> void __jffs2_dbg_superblock_counts(struct jffs2_sb_info *c) >> { >> struct jffs2_eraseblock *jeb; >> + struct jffs2_eraseblock *gcb = c->gcblock; >> + struct jffs2_eraseblock *nextb = c->nextblock; >> uint32_t free = 0, dirty = 0, used = 0, wasted = 0, >> erasing = 0, bad = 0, unchecked = 0; >> int nr_counted = 0; >> int dump = 0; >> >> - if (c->gcblock) { >> + if (gcb) { >> nr_counted++; >> - free += c->gcblock->free_size; >> - dirty += c->gcblock->dirty_size; >> - used += c->gcblock->used_size; >> - wasted += c->gcblock->wasted_size; >> - unchecked += c->gcblock->unchecked_size; >> + free += gcb->free_size; >> + dirty += gcb->dirty_size; >> + used += gcb->used_size; >> + wasted += gcb->wasted_size; >> + unchecked += gcb->unchecked_size; >> } >> - if (c->nextblock) { >> + if (nextb) { >> nr_counted++; >> - free += c->nextblock->free_size; >> - dirty += c->nextblock->dirty_size; >> - used += c->nextblock->used_size; >> - wasted += c->nextblock->wasted_size; >> - unchecked += c->nextblock->unchecked_size; >> + free += nextb->free_size; >> + dirty += nextb->dirty_size; >> + used += nextb->used_size; >> + wasted += nextb->wasted_size; >> + unchecked += nextb->unchecked_size; >> } >> list_for_each_entry(jeb, &c->clean_list, list) { >> nr_counted++;
diff --git a/fs/jffs2/debug.c b/fs/jffs2/debug.c index 1090eb6..2ddb967 100644 --- a/fs/jffs2/debug.c +++ b/fs/jffs2/debug.c @@ -160,26 +160,28 @@ __jffs2_dbg_prewrite_paranoia_check(struct jffs2_sb_info *c, void __jffs2_dbg_superblock_counts(struct jffs2_sb_info *c) { struct jffs2_eraseblock *jeb; + struct jffs2_eraseblock *gcb = c->gcblock; + struct jffs2_eraseblock *nextb = c->nextblock; uint32_t free = 0, dirty = 0, used = 0, wasted = 0, erasing = 0, bad = 0, unchecked = 0; int nr_counted = 0; int dump = 0; - if (c->gcblock) { + if (gcb) { nr_counted++; - free += c->gcblock->free_size; - dirty += c->gcblock->dirty_size; - used += c->gcblock->used_size; - wasted += c->gcblock->wasted_size; - unchecked += c->gcblock->unchecked_size; + free += gcb->free_size; + dirty += gcb->dirty_size; + used += gcb->used_size; + wasted += gcb->wasted_size; + unchecked += gcb->unchecked_size; } - if (c->nextblock) { + if (nextb) { nr_counted++; - free += c->nextblock->free_size; - dirty += c->nextblock->dirty_size; - used += c->nextblock->used_size; - wasted += c->nextblock->wasted_size; - unchecked += c->nextblock->unchecked_size; + free += nextb->free_size; + dirty += nextb->dirty_size; + used += nextb->used_size; + wasted += nextb->wasted_size; + unchecked += nextb->unchecked_size; } list_for_each_entry(jeb, &c->clean_list, list) { nr_counted++;
use jffs2_eraseblock variables to simplify the code Signed-off-by: Fabian Frederick <fabf@skynet.be> --- fs/jffs2/debug.c | 26 ++++++++++++++------------ 1 file changed, 14 insertions(+), 12 deletions(-)