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NFS: Handle -ENOENT errors in unlink()/rmdir()/rename() 

If the server returns an ENOENT error, we still need to do a d_delete() in
order to ensure that the dentry is deleted.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
wifi-calibration
Trond Myklebust 2008-01-28 19:43:18 -05:00
parent 609005c319
commit d45b9d8baf
1 changed files with 13 additions and 2 deletions
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15
fs/nfs/dir.c
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@ -1267,6 +1267,12 @@ out_err:
return error;
}
static void nfs_dentry_handle_enoent(struct dentry *dentry)
{
if (dentry->d_inode != NULL && !d_unhashed(dentry))
d_delete(dentry);
}
static int nfs_rmdir(struct inode *dir, struct dentry *dentry)
{
int error;
@ -1279,6 +1285,8 @@ static int nfs_rmdir(struct inode *dir, struct dentry *dentry)
/* Ensure the VFS deletes this inode */
if (error == 0 && dentry->d_inode != NULL)
clear_nlink(dentry->d_inode);
else if (error == -ENOENT)
nfs_dentry_handle_enoent(dentry);
unlock_kernel();
return error;
@ -1385,6 +1393,8 @@ static int nfs_safe_remove(struct dentry *dentry)
nfs_mark_for_revalidate(inode);
} else
error = NFS_PROTO(dir)->remove(dir, &dentry->d_name);
if (error == -ENOENT)
nfs_dentry_handle_enoent(dentry);
out:
return error;
}
@ -1421,7 +1431,7 @@ static int nfs_unlink(struct inode *dir, struct dentry *dentry)
spin_unlock(&dentry->d_lock);
spin_unlock(&dcache_lock);
error = nfs_safe_remove(dentry);
if (!error) {
if (!error || error == -ENOENT) {
nfs_set_verifier(dentry, nfs_save_change_attribute(dir));
} else if (need_rehash)
d_rehash(dentry);
@ -1634,7 +1644,8 @@ out:
d_move(old_dentry, new_dentry);
nfs_set_verifier(new_dentry,
nfs_save_change_attribute(new_dir));
}
} else if (error == -ENOENT)
nfs_dentry_handle_enoent(old_dentry);
/* new dentry created? */
if (dentry)