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| author | Al Viro <viro@zeniv.linux.org.uk> | 2013-09-29 22:59:30 +0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2013-09-30 06:02:20 +0400 |
| commit | 7b9a2378b480f426d2c575633fa08c20e341bb7b (patch) | |
| tree | 0a1304618b03248cba348daceebfa6b39576ae87 /fs/ocfs2/dcache.c | |
| parent | 49475555848d396a0c78fb2f8ecceb3f3f263ef1 (diff) | |
| download | linux-7b9a2378b480f426d2c575633fa08c20e341bb7b.tar.xz | |
ocfs2: needs ->d_lock to poke in ->d_parent->d_inode from ->d_revalidate()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/ocfs2/dcache.c')
| -rw-r--r-- | fs/ocfs2/dcache.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/fs/ocfs2/dcache.c b/fs/ocfs2/dcache.c index ef999729e274..0d3a97d2d5f6 100644 --- a/fs/ocfs2/dcache.c +++ b/fs/ocfs2/dcache.c @@ -70,9 +70,10 @@ static int ocfs2_dentry_revalidate(struct dentry *dentry, unsigned int flags) */ if (inode == NULL) { unsigned long gen = (unsigned long) dentry->d_fsdata; - unsigned long pgen = - OCFS2_I(dentry->d_parent->d_inode)->ip_dir_lock_gen; - + unsigned long pgen; + spin_lock(&dentry->d_lock); + pgen = OCFS2_I(dentry->d_parent->d_inode)->ip_dir_lock_gen; + spin_unlock(&dentry->d_lock); trace_ocfs2_dentry_revalidate_negative(dentry->d_name.len, dentry->d_name.name, pgen, gen); |