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| author | Tao Ma <boyu.mt@taobao.com> | 2010-12-15 16:30:00 +0800 |
|---|---|---|
| committer | Joel Becker <joel.becker@oracle.com> | 2010-12-16 00:36:15 -0800 |
| commit | 8ac33dc86d37ca76d282aa112d4f2794a731064e (patch) | |
| tree | 1631d3643087ebb52da9eb8ec084e7191ab20e75 /fs/ocfs2/dir.c | |
| parent | 41b41a26d4d6e4e3ad877d02377844ab9552dc16 (diff) | |
| download | linux-8ac33dc86d37ca76d282aa112d4f2794a731064e.tar.gz linux-8ac33dc86d37ca76d282aa112d4f2794a731064e.tar.bz2 linux-8ac33dc86d37ca76d282aa112d4f2794a731064e.zip | |
ocfs2: Hold ip_lock when set/clear flags for indexed dir.
When we set/clear the dyn_features for an inode we hold the ip_lock.
So do it when we set/clear OCFS2_INDEXED_DIR_FL also.
Signed-off-by: Tao Ma <boyu.mt@taobao.com>
Signed-off-by: Joel Becker <joel.becker@oracle.com>
Diffstat (limited to 'fs/ocfs2/dir.c')
| -rw-r--r-- | fs/ocfs2/dir.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/ocfs2/dir.c b/fs/ocfs2/dir.c index c49f6de0e7ab..d417b3f9b0c7 100644 --- a/fs/ocfs2/dir.c +++ b/fs/ocfs2/dir.c @@ -2461,8 +2461,10 @@ static int ocfs2_dx_dir_attach_index(struct ocfs2_super *osb, di->i_dx_root = cpu_to_le64(dr_blkno); + spin_lock(&OCFS2_I(dir)->ip_lock); OCFS2_I(dir)->ip_dyn_features |= OCFS2_INDEXED_DIR_FL; di->i_dyn_features = cpu_to_le16(OCFS2_I(dir)->ip_dyn_features); + spin_unlock(&OCFS2_I(dir)->ip_lock); ocfs2_journal_dirty(handle, di_bh); @@ -4466,8 +4468,10 @@ static int ocfs2_dx_dir_remove_index(struct inode *dir, goto out_commit; } + spin_lock(&OCFS2_I(dir)->ip_lock); OCFS2_I(dir)->ip_dyn_features &= ~OCFS2_INDEXED_DIR_FL; di->i_dyn_features = cpu_to_le16(OCFS2_I(dir)->ip_dyn_features); + spin_unlock(&OCFS2_I(dir)->ip_lock); di->i_dx_root = cpu_to_le64(0ULL); ocfs2_journal_dirty(handle, di_bh); |