/*
* Remove an entry from a directory.
*/
int
xfs_dir_removename(
xfs_trans_t *tp,
xfs_inode_t *dp,
struct xfs_name *name,
xfs_ino_t ino,
xfs_fsblock_t *first, /* bmap's firstblock */
xfs_bmap_free_t *flist, /* bmap's freeblock list */
xfs_extlen_t total) /* bmap's total block count */
{
struct xfs_da_args *args;
int rval;
int v; /* type-checking value */
ASSERT(S_ISDIR(dp->i_d.di_mode));
XFS_STATS_INC(xs_dir_remove);
args = kmem_zalloc(sizeof(*args), KM_SLEEP | KM_NOFS);
if (!args)
return -ENOMEM;
args->geo = dp->i_mount->m_dir_geo;
args->name = name->name;
args->namelen = name->len;
args->filetype = name->type;
args->hashval = dp->i_mount->m_dirnameops->hashname(name);
args->inumber = ino;
args->dp = dp;
args->firstblock = first;
args->flist = flist;
args->total = total;
args->whichfork = XFS_DATA_FORK;
args->trans = tp;
if (dp->i_d.di_format == XFS_DINODE_FMT_LOCAL) {
rval = xfs_dir2_sf_removename(args);
goto out_free;
}
rval = xfs_dir2_isblock(args, &v);
if (rval)
goto out_free;
if (v) {
rval = xfs_dir2_block_removename(args);
goto out_free;
}
rval = xfs_dir2_isleaf(args, &v);
if (rval)
goto out_free;
if (v)
rval = xfs_dir2_leaf_removename(args);
else
rval = xfs_dir2_node_removename(args);
out_free:
kmem_free(args);
return rval;
}
/*
* Like xfs_dir_removename, but only for removing entries with
* (name, hashvalue) pairs that may not be consistent (hashvalue
* may not be correctly set for the name).
*
* This was originally in the kernel, but only used in xfs_repair.
*/
int
xfs_dir2_bogus_removename(
xfs_trans_t *tp, /* transaction pointer */
xfs_inode_t *dp, /* incore directory inode */
char *name, /* name of entry to remove */
xfs_fsblock_t *first, /* bmap's firstblock */
xfs_bmap_free_t *flist, /* bmap's freeblock list */
xfs_extlen_t total, /* bmap's total block count */
xfs_dahash_t hash, /* name's real hash value */
int namelen) /* entry's name length */
{
xfs_da_args_t args; /* operation arguments */
int rval; /* return value */
int v; /* type-checking value */
ASSERT((dp->i_d.di_mode & IFMT) == IFDIR);
if (namelen >= MAXNAMELEN)
return EINVAL;
/*
* Fill in the arg structure for this request.
*/
args.name = name;
args.namelen = namelen;
args.hashval = hash;
args.inumber = 0;
args.dp = dp;
args.firstblock = first;
args.flist = flist;
args.total = total;
args.whichfork = XFS_DATA_FORK;
args.trans = tp;
args.justcheck = args.addname = 0;
args.oknoent = 1;
/*
* Decide on what work routines to call based on the inode size.
*/
if (dp->i_d.di_format == XFS_DINODE_FMT_LOCAL)
rval = xfs_dir2_sf_removename(&args);
else if (rval = xfs_dir2_isblock(tp, dp, &v))
return rval;
else if (v)
rval = xfs_dir2_block_removename(&args);
else if (rval = xfs_dir2_isleaf(tp, dp, &v))
return rval;
else if (v)
rval = xfs_dir2_leaf_removename(&args);
else
rval = xfs_dir2_node_removename(&args);
return rval;
}
/*
* Remove an entry from a directory.
*/
int
xfs_dir_removename(
xfs_trans_t *tp,
xfs_inode_t *dp,
struct xfs_name *name,
xfs_ino_t ino,
xfs_fsblock_t *first, /* bmap's firstblock */
xfs_bmap_free_t *flist, /* bmap's freeblock list */
xfs_extlen_t total) /* bmap's total block count */
{
xfs_da_args_t args;
int rval;
int v; /* type-checking value */
ASSERT(S_ISDIR(dp->i_d.di_mode));
XFS_STATS_INC(xs_dir_remove);
memset(&args, 0, sizeof(xfs_da_args_t));
args.name = name->name;
args.namelen = name->len;
args.filetype = name->type;
args.hashval = dp->i_mount->m_dirnameops->hashname(name);
args.inumber = ino;
args.dp = dp;
args.firstblock = first;
args.flist = flist;
args.total = total;
args.whichfork = XFS_DATA_FORK;
args.trans = tp;
if (dp->i_d.di_format == XFS_DINODE_FMT_LOCAL)
rval = xfs_dir2_sf_removename(&args);
else if ((rval = xfs_dir2_isblock(tp, dp, &v)))
return rval;
else if (v)
rval = xfs_dir2_block_removename(&args);
else if ((rval = xfs_dir2_isleaf(tp, dp, &v)))
return rval;
else if (v)
rval = xfs_dir2_leaf_removename(&args);
else
rval = xfs_dir2_node_removename(&args);
return rval;
}
/*
* Remove an entry from a directory.
*/
int
xfs_dir_removename(
xfs_trans_t *tp,
xfs_inode_t *dp,
char *name,
int namelen,
xfs_ino_t ino,
xfs_fsblock_t *first, /* bmap's firstblock */
xfs_bmap_free_t *flist, /* bmap's freeblock list */
xfs_extlen_t total) /* bmap's total block count */
{
xfs_da_args_t args;
int rval;
int v; /* type-checking value */
ASSERT((dp->i_d.di_mode & S_IFMT) == S_IFDIR);
XFS_STATS_INC(xs_dir_remove);
args.name = name;
args.namelen = namelen;
args.hashval = xfs_da_hashname(name, namelen);
args.inumber = ino;
args.dp = dp;
args.firstblock = first;
args.flist = flist;
args.total = total;
args.whichfork = XFS_DATA_FORK;
args.trans = tp;
args.justcheck = args.addname = args.oknoent = 0;
if (dp->i_d.di_format == XFS_DINODE_FMT_LOCAL)
rval = xfs_dir2_sf_removename(&args);
else if ((rval = xfs_dir2_isblock(tp, dp, &v)))
return rval;
else if (v)
rval = xfs_dir2_block_removename(&args);
else if ((rval = xfs_dir2_isleaf(tp, dp, &v)))
return rval;
else if (v)
rval = xfs_dir2_leaf_removename(&args);
else
rval = xfs_dir2_node_removename(&args);
return rval;
}
