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authorGang He <ghe@suse.com>2018-04-06 02:19:25 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2018-04-06 07:36:22 +0300
commit8fc2cb4ba03ee3502ec23de825cd133f5388738f (patch)
treee56cf74dc125f45ff64bcb0d255ab287f2790ec0 /fs/ocfs2
parent5ac94386194eccc2125c17d1b75aa8364584f585 (diff)
downloadlinux-8fc2cb4ba03ee3502ec23de825cd133f5388738f.tar.xz
ocfs2: fix some small problems
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>
Diffstat (limited to 'fs/ocfs2')
-rw-r--r--fs/ocfs2/filecheck.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/fs/ocfs2/filecheck.c b/fs/ocfs2/filecheck.c
index 68f6c35dce36..6014ebda00da 100644
--- a/fs/ocfs2/filecheck.c
+++ b/fs/ocfs2/filecheck.c
@@ -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) &&