forked from Minki/linux
fs: encode_fh: return FILEID_INVALID if invalid fid_type
This patch is a follow up on below patch:
[PATCH] exportfs: add FILEID_INVALID to indicate invalid fid_type
commit: 216b6cbdcb
Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: Vivek Trivedi <t.vivek@samsung.com>
Acked-by: Steven Whitehouse <swhiteho@redhat.com>
Acked-by: Sage Weil <sage@inktank.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
parent
182be68478
commit
94e07a7590
@ -22,10 +22,10 @@ static int btrfs_encode_fh(struct inode *inode, u32 *fh, int *max_len,
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if (parent && (len < BTRFS_FID_SIZE_CONNECTABLE)) {
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*max_len = BTRFS_FID_SIZE_CONNECTABLE;
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return 255;
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return FILEID_INVALID;
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} else if (len < BTRFS_FID_SIZE_NON_CONNECTABLE) {
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*max_len = BTRFS_FID_SIZE_NON_CONNECTABLE;
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return 255;
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return FILEID_INVALID;
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}
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len = BTRFS_FID_SIZE_NON_CONNECTABLE;
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@ -81,7 +81,7 @@ static int ceph_encode_fh(struct inode *inode, u32 *rawfh, int *max_len,
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if (parent_inode) {
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/* nfsd wants connectable */
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*max_len = connected_handle_length;
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type = 255;
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type = FILEID_INVALID;
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} else {
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dout("encode_fh %p\n", dentry);
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fh->ino = ceph_ino(inode);
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@ -90,7 +90,7 @@ static int ceph_encode_fh(struct inode *inode, u32 *rawfh, int *max_len,
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}
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} else {
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*max_len = handle_length;
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type = 255;
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type = FILEID_INVALID;
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}
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if (dentry)
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dput(dentry);
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@ -678,7 +678,7 @@ static int fuse_encode_fh(struct inode *inode, u32 *fh, int *max_len,
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if (*max_len < len) {
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*max_len = len;
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return 255;
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return FILEID_INVALID;
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}
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nodeid = get_fuse_inode(inode)->nodeid;
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@ -37,10 +37,10 @@ static int gfs2_encode_fh(struct inode *inode, __u32 *p, int *len,
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if (parent && (*len < GFS2_LARGE_FH_SIZE)) {
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*len = GFS2_LARGE_FH_SIZE;
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return 255;
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return FILEID_INVALID;
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} else if (*len < GFS2_SMALL_FH_SIZE) {
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*len = GFS2_SMALL_FH_SIZE;
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return 255;
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return FILEID_INVALID;
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}
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fh[0] = cpu_to_be32(ip->i_no_formal_ino >> 32);
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@ -125,10 +125,10 @@ isofs_export_encode_fh(struct inode *inode,
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*/
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if (parent && (len < 5)) {
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*max_len = 5;
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return 255;
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return FILEID_INVALID;
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} else if (len < 3) {
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*max_len = 3;
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return 255;
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return FILEID_INVALID;
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}
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len = 3;
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@ -517,11 +517,11 @@ static int nilfs_encode_fh(struct inode *inode, __u32 *fh, int *lenp,
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if (parent && *lenp < NILFS_FID_SIZE_CONNECTABLE) {
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*lenp = NILFS_FID_SIZE_CONNECTABLE;
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return 255;
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return FILEID_INVALID;
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}
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if (*lenp < NILFS_FID_SIZE_NON_CONNECTABLE) {
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*lenp = NILFS_FID_SIZE_NON_CONNECTABLE;
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return 255;
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return FILEID_INVALID;
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}
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fid->cno = root->cno;
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@ -195,11 +195,11 @@ static int ocfs2_encode_fh(struct inode *inode, u32 *fh_in, int *max_len,
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if (parent && (len < 6)) {
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*max_len = 6;
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type = 255;
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type = FILEID_INVALID;
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goto bail;
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} else if (len < 3) {
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*max_len = 3;
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type = 255;
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type = FILEID_INVALID;
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goto bail;
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}
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@ -1603,10 +1603,10 @@ int reiserfs_encode_fh(struct inode *inode, __u32 * data, int *lenp,
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if (parent && (maxlen < 5)) {
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*lenp = 5;
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return 255;
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return FILEID_INVALID;
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} else if (maxlen < 3) {
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*lenp = 3;
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return 255;
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return FILEID_INVALID;
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}
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data[0] = inode->i_ino;
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@ -1270,10 +1270,10 @@ static int udf_encode_fh(struct inode *inode, __u32 *fh, int *lenp,
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if (parent && (len < 5)) {
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*lenp = 5;
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return 255;
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return FILEID_INVALID;
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} else if (len < 3) {
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*lenp = 3;
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return 255;
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return FILEID_INVALID;
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}
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*lenp = 3;
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@ -48,7 +48,7 @@ static int xfs_fileid_length(int fileid_type)
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case FILEID_INO32_GEN_PARENT | XFS_FILEID_TYPE_64FLAG:
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return 6;
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}
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return 255; /* invalid */
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return FILEID_INVALID;
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}
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STATIC int
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@ -90,7 +90,7 @@ xfs_fs_encode_fh(
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len = xfs_fileid_length(fileid_type);
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if (*max_len < len) {
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*max_len = len;
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return 255;
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return FILEID_INVALID;
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}
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*max_len = len;
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@ -89,7 +89,7 @@ static int cleancache_get_key(struct inode *inode,
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fhfn = sb->s_export_op->encode_fh;
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if (fhfn) {
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len = (*fhfn)(inode, &key->u.fh[0], &maxlen, NULL);
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if (len <= 0 || len == 255)
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if (len <= FILEID_ROOT || len == FILEID_INVALID)
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return -1;
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if (maxlen > CLEANCACHE_KEY_MAX)
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return -1;
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@ -2351,7 +2351,7 @@ static int shmem_encode_fh(struct inode *inode, __u32 *fh, int *len,
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{
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if (*len < 3) {
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*len = 3;
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return 255;
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return FILEID_INVALID;
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}
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if (inode_unhashed(inode)) {
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