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| author | Miklos Szeredi <mszeredi@suse.cz> | 2009-12-03 15:58:56 -0500 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2009-12-03 15:58:56 -0500 |
| commit | 28f79a1a695e7a5b00af3b6713b449e08581ffbb (patch) | |
| tree | e843f269eebb716a69a71dd51fec769c30d6efc9 /fs | |
| parent | e48de5ec25b37d42292c876c1d3337766aae89bd (diff) | |
| download | linux-28f79a1a695e7a5b00af3b6713b449e08581ffbb.tar.gz linux-28f79a1a695e7a5b00af3b6713b449e08581ffbb.tar.bz2 linux-28f79a1a695e7a5b00af3b6713b449e08581ffbb.zip | |
nfs: fix comments in nfs_rename()
Comments are wrong or out of date. In particular d_drop() doesn't
free the inode it just unhashes the dentry. And if target is a
directory then it is not checked for being busy.
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/nfs/dir.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c index b5fae1953e9d..11d0c4cffffc 100644 --- a/fs/nfs/dir.c +++ b/fs/nfs/dir.c @@ -1581,7 +1581,7 @@ static int nfs_rename(struct inode *old_dir, struct dentry *old_dentry, /* * To prevent any new references to the target during the rename, - * we unhash the dentry and free the inode in advance. + * we unhash the dentry in advance. */ if (!d_unhashed(new_dentry)) { d_drop(new_dentry); @@ -1594,12 +1594,10 @@ static int nfs_rename(struct inode *old_dir, struct dentry *old_dentry, atomic_read(&new_dentry->d_count)); /* - * First check whether the target is busy ... we can't - * safely do _any_ rename if the target is in use. - * - * For files, make a copy of the dentry and then do a - * silly-rename. If the silly-rename succeeds, the - * copied dentry is hashed and becomes the new target. + * For non-directories, check whether the target is busy and if so, + * make a copy of the dentry and then do a silly-rename. If the + * silly-rename succeeds, the copied dentry is hashed and becomes + * the new target. */ if (new_inode && !S_ISDIR(new_inode->i_mode) && atomic_read(&new_dentry->d_count) > 2) { |