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authorSage Weil <sage@newdream.net>2011-05-24 13:06:07 -0700
committerAl Viro <viro@zeniv.linux.org.uk>2011-05-26 07:26:48 -0400
commite4eaac06bcccb2a70bca6a2de9871882dce2aa14 (patch)
treeca6736d96294cd6e65a1c3055718bfd5adc7336e /fs/fat
parent79bf7c732b5ff75b96022ed9d29181afd3d2509c (diff)
vfs: push dentry_unhash on rename_dir into file systems
Only a few file systems need this. Start by pushing it down into each rename method (except gfs2 and xfs) so that it can be dealt with on a per-fs basis. Acked-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Sage Weil <sage@newdream.net> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/fat')
-rw-r--r--fs/fat/namei_msdos.c3
-rw-r--r--fs/fat/namei_vfat.c3
2 files changed, 6 insertions, 0 deletions
diff --git a/fs/fat/namei_msdos.c b/fs/fat/namei_msdos.c
index 0c25cea64d2..c3eccbd0203 100644
--- a/fs/fat/namei_msdos.c
+++ b/fs/fat/namei_msdos.c
@@ -459,6 +459,9 @@ static int do_msdos_rename(struct inode *old_dir, unsigned char *old_name,
old_inode = old_dentry->d_inode;
new_inode = new_dentry->d_inode;
+ if (new_inode && S_ISDIR(new_inode->i_mode))
+ dentry_unhash(new_dentry);
+
err = fat_scan(old_dir, old_name, &old_sinfo);
if (err) {
err = -EIO;
diff --git a/fs/fat/namei_vfat.c b/fs/fat/namei_vfat.c
index d7b9383bb9c..e2466b2f8cf 100644
--- a/fs/fat/namei_vfat.c
+++ b/fs/fat/namei_vfat.c
@@ -933,6 +933,9 @@ static int vfat_rename(struct inode *old_dir, struct dentry *old_dentry,
int err, is_dir, update_dotdot, corrupt = 0;
struct super_block *sb = old_dir->i_sb;
+ if (new_dentry->d_inode && S_ISDIR(new_dentry->d_inode->i_mode))
+ dentry_unhash(new_dentry);
+
old_sinfo.bh = sinfo.bh = dotdot_bh = NULL;
old_inode = old_dentry->d_inode;
new_inode = new_dentry->d_inode;