The patch titled
Subject: ocfs2-fix-a-tiny-race-when-running-dirop_fileop_racer-v2
has been added to the -mm tree. Its filename is
ocfs2-fix-a-tiny-race-when-running-dirop_fileop_racer-v2.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/ocfs2-fix-a-tiny-race-when-running-dirop_fileop_racer-v2.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/ocfs2-fix-a-tiny-race-when-running-dirop_fileop_racer-v2.patch
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------------------------------------------------------
From: jiangyiwen <jiangyiwen@xxxxxxxxxx>
Subject: ocfs2-fix-a-tiny-race-when-running-dirop_fileop_racer-v2
Signed-off-by: Yiwen Jiang <jiangyiwen@xxxxxxxxxx>
Signed-off-by: Joseph Qi <joseph.qi@xxxxxxxxxx>
Cc: Joel Becker <jlbec@xxxxxxxxxxxx>
Reviewed-by: Mark Fasheh <mfasheh@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/ocfs2/namei.c | 7 +++----
fs/ocfs2/ocfs2_trace.h | 2 ++
2 files changed, 5 insertions(+), 4 deletions(-)
diff -puN fs/ocfs2/namei.c~ocfs2-fix-a-tiny-race-when-running-dirop_fileop_racer-v2 fs/ocfs2/namei.c
--- a/fs/ocfs2/namei.c~ocfs2-fix-a-tiny-race-when-running-dirop_fileop_racer-v2
+++ a/fs/ocfs2/namei.c
@@ -1222,10 +1222,9 @@ static int ocfs2_rename(struct inode *ol
goto bail;
} else if (status == 1) {
status = -EPERM;
- mlog(ML_ERROR, "src inode %llu should not be ancestor "
- "of new dir inode %llu\n",
- (unsigned long long)old_inode->i_ino,
- (unsigned long long)new_dir->i_ino);
+ trace_ocfs2_rename_not_permitted(
+ (unsigned long long)old_inode->i_ino,
+ (unsigned long long)new_dir->i_ino);
goto bail;
}
}
diff -puN fs/ocfs2/ocfs2_trace.h~ocfs2-fix-a-tiny-race-when-running-dirop_fileop_racer-v2 fs/ocfs2/ocfs2_trace.h
--- a/fs/ocfs2/ocfs2_trace.h~ocfs2-fix-a-tiny-race-when-running-dirop_fileop_racer-v2
+++ a/fs/ocfs2/ocfs2_trace.h
@@ -2292,6 +2292,8 @@ TRACE_EVENT(ocfs2_rename,
__entry->new_len, __get_str(new_name))
);
+DEFINE_OCFS2_ULL_ULL_EVENT(ocfs2_rename_not_permitted);
+
TRACE_EVENT(ocfs2_rename_target_exists,
TP_PROTO(int new_len, const char *new_name),
TP_ARGS(new_len, new_name),
_
Patches currently in -mm which might be from jiangyiwen@xxxxxxxxxx are
ocfs2-dlm-fix-misuse-of-list_move_tail-in-dlm_run_purge_list.patch
ocfs2-fix-a-tiny-race-when-running-dirop_fileop_racer.patch
ocfs2-fix-a-tiny-race-when-running-dirop_fileop_racer-v2.patch
ocfs2-remove-convertion-of-total_backoff-in-dlm_join_domain.patch
ocfs2-do-not-return-dlm_migrate_response_mastery_ref-to-avoid-endlessloop-during-umount.patch
ocfs2-manually-do-the-iput-once-ocfs2_add_entry-failed-in-ocfs2_symlink-and-ocfs2_mknod.patch
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