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authorSage Weil <sage@newdream.net>2011-05-29 21:20:59 -0700
committerAl Viro <viro@zeniv.linux.org.uk>2011-05-30 01:48:27 -0400
commit3cebde2413ba42504cf2c10ec1d47582912435cd (patch)
tree296302cd2f065c125b1c932caa3bd836720c7efe /fs/namei.c
parent55922c9d1b84b89cb946c777fddccb3247e7df2c (diff)
vfs: shrink_dcache_parent before rmdir, dir rename
The dentry_unhash push-down series missed that shink_dcache_parent needs to be called prior to rmdir or dir rename to clear DCACHE_REFERENCED and allow efficient dentry reclaim. Reported-by: Dave Chinner <david@fromorbit.com> Signed-off-by: Sage Weil <sage@newdream.net> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/namei.c')
-rw-r--r--fs/namei.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/namei.c b/fs/namei.c
index 1ab641f2e78..e2e4e8d032e 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -2579,6 +2579,7 @@ int vfs_rmdir(struct inode *dir, struct dentry *dentry)
if (error)
goto out;
+ shrink_dcache_parent(dentry);
error = dir->i_op->rmdir(dir, dentry);
if (error)
goto out;
@@ -2993,6 +2994,8 @@ static int vfs_rename_dir(struct inode *old_dir, struct dentry *old_dentry,
if (d_mountpoint(old_dentry) || d_mountpoint(new_dentry))
goto out;
+ if (target)
+ shrink_dcache_parent(new_dentry);
error = old_dir->i_op->rename(old_dir, old_dentry, new_dir, new_dentry);
if (error)
goto out;