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ocfs2: fix some small problems

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First, move setting fe_done = 1 in spin lock, avoid bring any potential
race condition.

Second, tune mlog message level from ERROR to NOTICE, since the message
should not belong to error message.

Third, tune errno to -EAGAIN when file check queue is full, this errno
is more appropriate in the case.

Link: http://lkml.kernel.org/r/1495611866-27360-3-git-send-email-ghe@suse.com
Signed-off-by: Gang He <ghe@suse.com>
Cc: Mark Fasheh <mark@fasheh.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Joseph Qi <jiangqi903@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Gang He 2018-04-05 16:19:25 -07:00 committed by Linus Torvalds
parent 5ac9438619
commit 8fc2cb4ba0
1 changed files with 4 additions and 4 deletions
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8
fs/ocfs2/filecheck.c
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@ -283,7 +283,7 @@ ocfs2_filecheck_adjust_max(struct ocfs2_filecheck_sysfs_entry *ent,
spin_lock(&ent->fs_fcheck->fc_lock);
if (len < (ent->fs_fcheck->fc_size - ent->fs_fcheck->fc_done)) {
mlog(ML_ERROR,
mlog(ML_NOTICE,
"Cannot set online file check maximum entry number "
"to %u due to too many pending entries(%u)\n",
len, ent->fs_fcheck->fc_size - ent->fs_fcheck->fc_done);
@ -457,8 +457,8 @@ static void
ocfs2_filecheck_done_entry(struct ocfs2_filecheck_sysfs_entry *ent,
struct ocfs2_filecheck_entry *entry)
{
entry->fe_done = 1;
spin_lock(&ent->fs_fcheck->fc_lock);
entry->fe_done = 1;
ent->fs_fcheck->fc_done++;
spin_unlock(&ent->fs_fcheck->fc_lock);
}
@ -540,11 +540,11 @@ static ssize_t ocfs2_filecheck_store(struct kobject *kobj,
spin_lock(&ent->fs_fcheck->fc_lock);
if ((ent->fs_fcheck->fc_size >= ent->fs_fcheck->fc_max) &&
(ent->fs_fcheck->fc_done == 0)) {
mlog(ML_ERROR,
mlog(ML_NOTICE,
"Cannot do more file check "
"since file check queue(%u) is full now\n",
ent->fs_fcheck->fc_max);
ret = -EBUSY;
ret = -EAGAIN;
kfree(entry);
} else {
if ((ent->fs_fcheck->fc_size >= ent->fs_fcheck->fc_max) &&