evie/android_kernel_oneplus_msm8998
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jbd: Convert atomic_inc() to get_bh()

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Convert atomic_inc(&bh->b_count) to get_bh(bh) for consistency.

Signed-off-by: Namhyung Kim <namhyung@gmail.com>
Signed-off-by: Jan Kara <jack@suse.cz>
This commit is contained in:
Namhyung Kim 2010-10-16 17:11:02 +09:00 • committed by Jan Kara
parent bfa01dfbe0
commit e4d5e3a497
2 changed files with 3 additions and 3 deletions
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4
fs/jbd/checkpoint.c
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@ -221,7 +221,7 @@ restart:
goto restart; goto restart;
} }
if (buffer_locked(bh)) { if (buffer_locked(bh)) {
atomic_inc(&bh->b_count); get_bh(bh);
spin_unlock(&journal->j_list_lock); spin_unlock(&journal->j_list_lock);
jbd_unlock_bh_state(bh); jbd_unlock_bh_state(bh);
wait_on_buffer(bh); wait_on_buffer(bh);
@ -283,7 +283,7 @@ static int __process_buffer(journal_t *journal, struct journal_head *jh,
int ret = 0; int ret = 0;
if (buffer_locked(bh)) { if (buffer_locked(bh)) {
atomic_inc(&bh->b_count); get_bh(bh);
spin_unlock(&journal->j_list_lock); spin_unlock(&journal->j_list_lock);
jbd_unlock_bh_state(bh); jbd_unlock_bh_state(bh);
wait_on_buffer(bh); wait_on_buffer(bh);

2
fs/jbd/commit.c
View file

@ -611,7 +611,7 @@ void journal_commit_transaction(journal_t *journal)
/* Bump b_count to prevent truncate from stumbling over /* Bump b_count to prevent truncate from stumbling over
the shadowed buffer! @@@ This can go if we ever get the shadowed buffer! @@@ This can go if we ever get
rid of the BJ_IO/BJ_Shadow pairing of buffers. */ rid of the BJ_IO/BJ_Shadow pairing of buffers. */
atomic_inc(&jh2bh(jh)->b_count); get_bh(jh2bh(jh));
/* Make a temporary IO buffer with which to write it out /* Make a temporary IO buffer with which to write it out
(this will requeue both the metadata buffer and the (this will requeue both the metadata buffer and the