diff options
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/xfs/xfs_da_btree.h | 1 | ||||
| -rw-r--r-- | fs/xfs/xfs_dir2.c | 5 | ||||
| -rw-r--r-- | fs/xfs/xfs_dir2.h | 4 | ||||
| -rw-r--r-- | fs/xfs/xfs_dir2_block.c | 16 | ||||
| -rw-r--r-- | fs/xfs/xfs_dir2_data.c | 13 | ||||
| -rw-r--r-- | fs/xfs/xfs_dir2_format.h | 183 | ||||
| -rw-r--r-- | fs/xfs/xfs_dir2_leaf.c | 6 | ||||
| -rw-r--r-- | fs/xfs/xfs_dir2_node.c | 8 | ||||
| -rw-r--r-- | fs/xfs/xfs_dir2_priv.h | 9 | ||||
| -rw-r--r-- | fs/xfs/xfs_dir2_readdir.c | 69 | ||||
| -rw-r--r-- | fs/xfs/xfs_dir2_sf.c | 121 | ||||
| -rw-r--r-- | fs/xfs/xfs_iops.c | 27 | ||||
| -rw-r--r-- | fs/xfs/xfs_sb.h | 22 | ||||
| -rw-r--r-- | fs/xfs/xfs_types.h | 1 |
14 files changed, 362 insertions, 123 deletions
diff --git a/fs/xfs/xfs_da_btree.h b/fs/xfs/xfs_da_btree.h index 6fb3371c63cf..8cdc77b2e58d 100644 --- a/fs/xfs/xfs_da_btree.h +++ b/fs/xfs/xfs_da_btree.h @@ -176,6 +176,7 @@ enum xfs_dacmp { typedef struct xfs_da_args { const __uint8_t *name; /* string (maybe not NULL terminated) */ int namelen; /* length of string (maybe no NULL) */ + __uint8_t filetype; /* filetype of inode for directories */ __uint8_t *value; /* set of bytes (maybe contain NULLs) */ int valuelen; /* length of value */ int flags; /* argument flags (eg: ATTR_NOCREATE) */ diff --git a/fs/xfs/xfs_dir2.c b/fs/xfs/xfs_dir2.c index 841933c9e80f..f9825b125fcf 100644 --- a/fs/xfs/xfs_dir2.c +++ b/fs/xfs/xfs_dir2.c @@ -37,7 +37,8 @@ #include "xfs_error.h" #include "xfs_trace.h" -struct xfs_name xfs_name_dotdot = { (unsigned char *)"..", 2}; +struct xfs_name xfs_name_dotdot = { (unsigned char *)"..", 2, XFS_DIR3_FT_DIR }; + /* * ASCII case-insensitive (ie. A-Z) support for directories that was @@ -386,6 +387,7 @@ xfs_dir_replace( 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 = inum; args.dp = dp; @@ -433,6 +435,7 @@ xfs_dir_canenter( 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.dp = dp; args.whichfork = XFS_DATA_FORK; diff --git a/fs/xfs/xfs_dir2.h b/fs/xfs/xfs_dir2.h index 7fe2b8f0a9e3..768ddad41b84 100644 --- a/fs/xfs/xfs_dir2.h +++ b/fs/xfs/xfs_dir2.h @@ -68,8 +68,8 @@ extern int xfs_dir2_sf_to_block(struct xfs_da_args *args); extern xfs_ino_t xfs_dir2_sf_get_parent_ino(struct xfs_dir2_sf_hdr *sfp); extern void xfs_dir2_sf_put_parent_ino(struct xfs_dir2_sf_hdr *sfp, xfs_ino_t ino); -extern xfs_ino_t xfs_dir2_sfe_get_ino(struct xfs_dir2_sf_hdr *sfp, - struct xfs_dir2_sf_entry *sfep); +extern xfs_ino_t xfs_dir3_sfe_get_ino(struct xfs_mount *mp, + struct xfs_dir2_sf_hdr *sfp, struct xfs_dir2_sf_entry *sfep); extern void xfs_dir2_sfe_put_ino( struct xfs_dir2_sf_hdr *, struct xfs_dir2_sf_entry *sfep, xfs_ino_t ino); diff --git a/fs/xfs/xfs_dir2_block.c b/fs/xfs/xfs_dir2_block.c index becd69f6e4b8..1cd2f564e374 100644 --- a/fs/xfs/xfs_dir2_block.c +++ b/fs/xfs/xfs_dir2_block.c @@ -369,7 +369,7 @@ xfs_dir2_block_addname( if (error) return error; - len = xfs_dir2_data_entsize(args->namelen); + len = xfs_dir3_data_entsize(mp, args->namelen); /* * Set up pointers to parts of the block. @@ -549,7 +549,7 @@ xfs_dir2_block_addname( dep->inumber = cpu_to_be64(args->inumber); dep->namelen = args->namelen; memcpy(dep->name, args->name, args->namelen); - tagp = xfs_dir2_data_entry_tag_p(dep); + tagp = xfs_dir3_data_entry_tag_p(mp, dep); *tagp = cpu_to_be16((char *)dep - (char *)hdr); /* * Clean up the bestfree array and log the header, tail, and entry. @@ -799,7 +799,7 @@ xfs_dir2_block_removename( needlog = needscan = 0; xfs_dir2_data_make_free(tp, bp, (xfs_dir2_data_aoff_t)((char *)dep - (char *)hdr), - xfs_dir2_data_entsize(dep->namelen), &needlog, &needscan); + xfs_dir3_data_entsize(mp, dep->namelen), &needlog, &needscan); /* * Fix up the block tail. */ @@ -1159,7 +1159,7 @@ xfs_dir2_sf_to_block( dep->inumber = cpu_to_be64(dp->i_ino); dep->namelen = 1; dep->name[0] = '.'; - tagp = xfs_dir2_data_entry_tag_p(dep); + tagp = xfs_dir3_data_entry_tag_p(mp, dep); *tagp = cpu_to_be16((char *)dep - (char *)hdr); xfs_dir2_data_log_entry(tp, bp, dep); blp[0].hashval = cpu_to_be32(xfs_dir_hash_dot); @@ -1172,7 +1172,7 @@ xfs_dir2_sf_to_block( dep->inumber = cpu_to_be64(xfs_dir2_sf_get_parent_ino(sfp)); dep->namelen = 2; dep->name[0] = dep->name[1] = '.'; - tagp = xfs_dir2_data_entry_tag_p(dep); + tagp = xfs_dir3_data_entry_tag_p(mp, dep); *tagp = cpu_to_be16((char *)dep - (char *)hdr); xfs_dir2_data_log_entry(tp, bp, dep); blp[1].hashval = cpu_to_be32(xfs_dir_hash_dotdot); @@ -1217,10 +1217,10 @@ xfs_dir2_sf_to_block( * Copy a real entry. */ dep = (xfs_dir2_data_entry_t *)((char *)hdr + newoffset); - dep->inumber = cpu_to_be64(xfs_dir2_sfe_get_ino(sfp, sfep)); + dep->inumber = cpu_to_be64(xfs_dir3_sfe_get_ino(mp, sfp, sfep)); dep->namelen = sfep->namelen; memcpy(dep->name, sfep->name, dep->namelen); - tagp = xfs_dir2_data_entry_tag_p(dep); + tagp = xfs_dir3_data_entry_tag_p(mp, dep); *tagp = cpu_to_be16((char *)dep - (char *)hdr); xfs_dir2_data_log_entry(tp, bp, dep); name.name = sfep->name; @@ -1233,7 +1233,7 @@ xfs_dir2_sf_to_block( if (++i == sfp->count) sfep = NULL; else - sfep = xfs_dir2_sf_nextentry(sfp, sfep); + sfep = xfs_dir3_sf_nextentry(mp, sfp, sfep); } /* Done with the temporary buffer */ kmem_free(sfp); diff --git a/fs/xfs/xfs_dir2_data.c b/fs/xfs/xfs_dir2_data.c index 98c23faa701c..1b59e43d97d9 100644 --- a/fs/xfs/xfs_dir2_data.c +++ b/fs/xfs/xfs_dir2_data.c @@ -147,7 +147,7 @@ __xfs_dir3_data_check( XFS_WANT_CORRUPTED_RETURN( !xfs_dir_ino_validate(mp, be64_to_cpu(dep->inumber))); XFS_WANT_CORRUPTED_RETURN( - be16_to_cpu(*xfs_dir2_data_entry_tag_p(dep)) == + be16_to_cpu(*xfs_dir3_data_entry_tag_p(mp, dep)) == (char *)dep - (char *)hdr); count++; lastfree = 0; @@ -166,7 +166,7 @@ __xfs_dir3_data_check( } XFS_WANT_CORRUPTED_RETURN(i < be32_to_cpu(btp->count)); } - p += xfs_dir2_data_entsize(dep->namelen); + p += xfs_dir3_data_entsize(mp, dep->namelen); } /* * Need to have seen all the entries and all the bestfree slots. @@ -536,8 +536,8 @@ xfs_dir2_data_freescan( else { dep = (xfs_dir2_data_entry_t *)p; ASSERT((char *)dep - (char *)hdr == - be16_to_cpu(*xfs_dir2_data_entry_tag_p(dep))); - p += xfs_dir2_data_entsize(dep->namelen); + be16_to_cpu(*xfs_dir3_data_entry_tag_p(mp, dep))); + p += xfs_dir3_data_entsize(mp, dep->namelen); } } } @@ -627,7 +627,8 @@ xfs_dir2_data_log_entry( struct xfs_buf *bp, xfs_dir2_data_entry_t *dep) /* data entry pointer */ { - xfs_dir2_data_hdr_t *hdr = bp->b_addr; + struct xfs_dir2_data_hdr *hdr = bp->b_addr; + struct xfs_mount *mp = tp->t_mountp; ASSERT(hdr->magic == cpu_to_be32(XFS_DIR2_DATA_MAGIC) || hdr->magic == cpu_to_be32(XFS_DIR3_DATA_MAGIC) || @@ -635,7 +636,7 @@ xfs_dir2_data_log_entry( hdr->magic == cpu_to_be32(XFS_DIR3_BLOCK_MAGIC)); xfs_trans_log_buf(tp, bp, (uint)((char *)dep - (char *)hdr), - (uint)((char *)(xfs_dir2_data_entry_tag_p(dep) + 1) - + (uint)((char *)(xfs_dir3_data_entry_tag_p(mp, dep) + 1) - (char *)hdr - 1)); } diff --git a/fs/xfs/xfs_dir2_format.h b/fs/xfs/xfs_dir2_format.h index 2095e17b75cb..a0961a61ac1a 100644 --- a/fs/xfs/xfs_dir2_format.h +++ b/fs/xfs/xfs_dir2_format.h @@ -69,6 +69,23 @@ #define XFS_DIR3_FREE_MAGIC 0x58444633 /* XDF3: free index blocks */ /* + * Dirents in version 3 directories have a file type field. Additions to this + * list are an on-disk format change, requiring feature bits. Valid values + * are as follows: + */ +#define XFS_DIR3_FT_UNKNOWN 0 +#define XFS_DIR3_FT_REG_FILE 1 +#define XFS_DIR3_FT_DIR 2 +#define XFS_DIR3_FT_CHRDEV 3 +#define XFS_DIR3_FT_BLKDEV 4 +#define XFS_DIR3_FT_FIFO 5 +#define XFS_DIR3_FT_SOCK 6 +#define XFS_DIR3_FT_SYMLINK 7 +#define XFS_DIR3_FT_WHT 8 + +#define XFS_DIR3_FT_MAX 9 + +/* * Byte offset in data block and shortform entry. */ typedef __uint16_t xfs_dir2_data_off_t; @@ -138,6 +155,9 @@ typedef struct xfs_dir2_sf_entry { xfs_dir2_sf_off_t offset; /* saved offset */ __u8 name[]; /* name, variable size */ /* + * A single byte containing the file type field follows the inode + * number for version 3 directory entries. + * * A xfs_dir2_ino8_t or xfs_dir2_ino4_t follows here, at a * variable offset after the name. */ @@ -162,16 +182,6 @@ xfs_dir2_sf_put_offset(xfs_dir2_sf_entry_t *sfep, xfs_dir2_data_aoff_t off) put_unaligned_be16(off, &sfep->offset.i); } -static inline int -xfs_dir2_sf_entsize(struct xfs_dir2_sf_hdr *hdr, int len) -{ - return sizeof(struct xfs_dir2_sf_entry) + /* namelen + offset */ - len + /* name */ - (hdr->i8count ? /* ino */ - sizeof(xfs_dir2_ino8_t) : - sizeof(xfs_dir2_ino4_t)); -} - static inline struct xfs_dir2_sf_entry * xfs_dir2_sf_firstentry(struct xfs_dir2_sf_hdr *hdr) { @@ -179,14 +189,78 @@ xfs_dir2_sf_firstentry(struct xfs_dir2_sf_hdr *hdr) ((char *)hdr + xfs_dir2_sf_hdr_size(hdr->i8count)); } +static inline int +xfs_dir3_sf_entsize( + struct xfs_mount *mp, + struct xfs_dir2_sf_hdr *hdr, + int len) +{ + int count = sizeof(struct xfs_dir2_sf_entry); /* namelen + offset */ + + count += len; /* name */ + count += hdr->i8count ? sizeof(xfs_dir2_ino8_t) : + sizeof(xfs_dir2_ino4_t); /* ino # */ + if (xfs_sb_version_hasftype(&mp->m_sb)) + count += sizeof(__uint8_t); /* file type */ + return count; +} + static inline struct xfs_dir2_sf_entry * -xfs_dir2_sf_nextentry(struct xfs_dir2_sf_hdr *hdr, - struct xfs_dir2_sf_entry *sfep) +xfs_dir3_sf_nextentry( + struct xfs_mount *mp, + struct xfs_dir2_sf_hdr *hdr, + struct xfs_dir2_sf_entry *sfep) { return (struct xfs_dir2_sf_entry *) - ((char *)sfep + xfs_dir2_sf_entsize(hdr, sfep->namelen)); + ((char *)sfep + xfs_dir3_sf_entsize(mp, hdr, sfep->namelen)); } +/* + * in dir3 shortform directories, the file type field is stored at a variable + * offset after the inode number. Because it's only a single byte, endian + * conversion is not necessary. + */ +static inline __uint8_t * +xfs_dir3_sfe_ftypep( + struct xfs_dir2_sf_hdr *hdr, + struct xfs_dir2_sf_entry *sfep) +{ + return (__uint8_t *)&sfep->name[sfep->namelen]; +} + +static inline __uint8_t +xfs_dir3_sfe_get_ftype( + struct xfs_mount *mp, + struct xfs_dir2_sf_hdr *hdr, + struct xfs_dir2_sf_entry *sfep) +{ + __uint8_t *ftp; + + if (!xfs_sb_version_hasftype(&mp->m_sb)) + return XFS_DIR3_FT_UNKNOWN; + + ftp = xfs_dir3_sfe_ftypep(hdr, sfep); + if (*ftp >= XFS_DIR3_FT_MAX) + return XFS_DIR3_FT_UNKNOWN; + return *ftp; +} + +static inline void +xfs_dir3_sfe_put_ftype( + struct xfs_mount *mp, + struct xfs_dir2_sf_hdr *hdr, + struct xfs_dir2_sf_entry *sfep, + __uint8_t ftype) +{ + __uint8_t *ftp; + + ASSERT(ftype < XFS_DIR3_FT_MAX); + + if (!xfs_sb_version_hasftype(&mp->m_sb)) + return; + ftp = xfs_dir3_sfe_ftypep(hdr, sfep); + *ftp = ftype; +} /* * Data block structures. @@ -286,12 +360,18 @@ xfs_dir3_data_bestfree_p(struct xfs_dir2_data_hdr *hdr) * Active entry in a data block. * * Aligned to 8 bytes. After the variable length name field there is a - * 2 byte tag field, which can be accessed using xfs_dir2_data_entry_tag_p. + * 2 byte tag field, which can be accessed using xfs_dir3_data_entry_tag_p. + * + * For dir3 structures, there is file type field between the name and the tag. + * This can only be manipulated by helper functions. It is packed hard against + * the end of the name so any padding for rounding is between the file type and + * the tag. */ typedef struct xfs_dir2_data_entry { __be64 inumber; /* inode number */ __u8 namelen; /* name length */ __u8 name[]; /* name bytes, no null */ + /* __u8 filetype; */ /* type of inode we point to */ /* __be16 tag; */ /* starting offset of us */ } xfs_dir2_data_entry_t; @@ -311,20 +391,67 @@ typedef struct xfs_dir2_data_unused { /* * Size of a data entry. */ -static inline int xfs_dir2_data_entsize(int n) +static inline int +__xfs_dir3_data_entsize( + bool ftype, + int n) { - return (int)roundup(offsetof(struct xfs_dir2_data_entry, name[0]) + n + - (uint)sizeof(xfs_dir2_data_off_t), XFS_DIR2_DATA_ALIGN); + int size = offsetof(struct xfs_dir2_data_entry, name[0]); + + size += n; + size += sizeof(xfs_dir2_data_off_t); + if (ftype) + size += sizeof(__uint8_t); + return roundup(size, XFS_DIR2_DATA_ALIGN); +} +static inline int +xfs_dir3_data_entsize( + struct xfs_mount *mp, + int n) +{ + bool ftype = xfs_sb_version_hasftype(&mp->m_sb) ? true : false; + return __xfs_dir3_data_entsize(ftype, n); +} + +static inline __uint8_t +xfs_dir3_dirent_get_ftype( + struct xfs_mount *mp, + struct xfs_dir2_data_entry *dep) +{ + if (xfs_sb_version_hasftype(&mp->m_sb)) { + __uint8_t type = dep->name[dep->namelen]; + + ASSERT(type < XFS_DIR3_FT_MAX); + if (type < XFS_DIR3_FT_MAX) + return type; + + } + return XFS_DIR3_FT_UNKNOWN; +} + +static inline void +xfs_dir3_dirent_put_ftype( + struct xfs_mount *mp, + struct xfs_dir2_data_entry *dep, + __uint8_t type) +{ + ASSERT(type < XFS_DIR3_FT_MAX); + ASSERT(dep->namelen != 0); + + if (xfs_sb_version_hasftype(&mp->m_sb)) + dep->name[dep->namelen] = type; } /* * Pointer to an entry's tag word. */ static inline __be16 * -xfs_dir2_data_entry_tag_p(struct xfs_dir2_data_entry *dep) +xfs_dir3_data_entry_tag_p( + struct xfs_mount *mp, + struct xfs_dir2_data_entry *dep) { return (__be16 *)((char *)dep + - xfs_dir2_data_entsize(dep->namelen) - sizeof(__be16)); + xfs_dir3_data_entsize(mp, dep->namelen) - sizeof(__be16)); } /* @@ -375,13 +502,17 @@ xfs_dir3_data_unused_p(struct xfs_dir2_data_hdr *hdr) * data block header because the sfe embeds the block offset of the entry into * it so that it doesn't change when format conversion occurs. Bad Things Happen * if we don't follow this rule. + * + * XXX: there is scope for significant optimisation of the logic here. Right + * now we are checking for "dir3 format" over and over again. Ideally we should + * only do it once for each operation. */ #define XFS_DIR3_DATA_DOT_OFFSET(mp) \ xfs_dir3_data_hdr_size(xfs_sb_version_hascrc(&(mp)->m_sb)) #define XFS_DIR3_DATA_DOTDOT_OFFSET(mp) \ - (XFS_DIR3_DATA_DOT_OFFSET(mp) + xfs_dir2_data_entsize(1)) + (XFS_DIR3_DATA_DOT_OFFSET(mp) + xfs_dir3_data_entsize(mp, 1)) #define XFS_DIR3_DATA_FIRST_OFFSET(mp) \ - (XFS_DIR3_DATA_DOTDOT_OFFSET(mp) + xfs_dir2_data_entsize(2)) + (XFS_DIR3_DATA_DOTDOT_OFFSET(mp) + xfs_dir3_data_entsize(mp, 2)) static inline xfs_dir2_data_aoff_t xfs_dir3_data_dot_offset(struct xfs_dir2_data_hdr *hdr) @@ -392,13 +523,19 @@ xfs_dir3_data_dot_offset(struct xfs_dir2_data_hdr *hdr) static inline xfs_dir2_data_aoff_t xfs_dir3_data_dotdot_offset(struct xfs_dir2_data_hdr *hdr) { - return xfs_dir3_data_dot_offset(hdr) + xfs_dir2_data_entsize(1); + bool dir3 = hdr->magic == cpu_to_be32(XFS_DIR3_DATA_MAGIC) || + hdr->magic == cpu_to_be32(XFS_DIR3_BLOCK_MAGIC); + return xfs_dir3_data_dot_offset(hdr) + + __xfs_dir3_data_entsize(dir3, 1); } static inline xfs_dir2_data_aoff_t xfs_dir3_data_first_offset(struct xfs_dir2_data_hdr *hdr) { - return xfs_dir3_data_dotdot_offset(hdr) + xfs_dir2_data_entsize(2); + bool dir3 = hdr->magic == cpu_to_be32(XFS_DIR3_DATA_MAGIC) || + hdr->magic == cpu_to_be32(XFS_DIR3_BLOCK_MAGIC); + return xfs_dir3_data_dotdot_offset(hdr) + + __xfs_dir3_data_entsize(dir3, 2); } /* diff --git a/fs/xfs/xfs_dir2_leaf.c b/fs/xfs/xfs_dir2_leaf.c index 591eaf235919..887b1bdec6dd 100644 --- a/fs/xfs/xfs_dir2_leaf.c +++ b/fs/xfs/xfs_dir2_leaf.c @@ -696,7 +696,7 @@ xfs_dir2_leaf_addname( ents = xfs_dir3_leaf_ents_p(leaf); xfs_dir3_leaf_hdr_from_disk(&leafhdr, leaf); bestsp = xfs_dir2_leaf_bests_p(ltp); - length = xfs_dir2_data_entsize(args->namelen); + length = xfs_dir3_data_entsize(mp, args->namelen); /* * See if there are any entries with the same hash value @@ -897,7 +897,7 @@ xfs_dir2_leaf_addname( dep->inumber = cpu_to_be64(args->inumber); dep->namelen = args->namelen; memcpy(dep->name, args->name, dep->namelen); - tagp = xfs_dir2_data_entry_tag_p(dep); + tagp = xfs_dir3_data_entry_tag_p(mp, dep); *tagp = cpu_to_be16((char *)dep - (char *)hdr); /* * Need to scan fix up the bestfree table. @@ -1427,7 +1427,7 @@ xfs_dir2_leaf_removename( */ xfs_dir2_data_make_free(tp, dbp, (xfs_dir2_data_aoff_t)((char *)dep - (char *)hdr), - xfs_dir2_data_entsize(dep->namelen), &needlog, &needscan); + xfs_dir3_data_entsize(mp, dep->namelen), &needlog, &needscan); /* * We just mark the leaf entry stale by putting a null in it. */ diff --git a/fs/xfs/xfs_dir2_node.c b/fs/xfs/xfs_dir2_node.c index 18e287deee66..49f1e9ed492c 100644 --- a/fs/xfs/xfs_dir2_node.c +++ b/fs/xfs/xfs_dir2_node.c @@ -605,7 +605,7 @@ xfs_dir2_leafn_lookup_for_addname( ASSERT(free->hdr.magic == cpu_to_be32(XFS_DIR2_FREE_MAGIC) || free->hdr.magic == cpu_to_be32(XFS_DIR3_FREE_MAGIC)); } - length = xfs_dir2_data_entsize(args->namelen); + length = xfs_dir3_data_entsize(mp, args->namelen); /* * Loop over leaf entries with the right hash value. */ @@ -1259,7 +1259,7 @@ xfs_dir2_leafn_remove( longest = be16_to_cpu(bf[0].length); needlog = needscan = 0; xfs_dir2_data_make_free(tp, dbp, off, - xfs_dir2_data_entsize(dep->namelen), &needlog, &needscan); + xfs_dir3_data_entsize(mp, dep->namelen), &needlog, &needscan); /* * Rescan the data block freespaces for bestfree. * Log the data block header if needed. @@ -1711,7 +1711,7 @@ xfs_dir2_node_addname_int( dp = args->dp; mp = dp->i_mount; tp = args->trans; - length = xfs_dir2_data_entsize(args->namelen); + length = xfs_dir3_data_entsize(mp, args->namelen); /* * If we came in with a freespace block that means that lookup * found an entry with our hash value. This is the freespace @@ -2007,7 +2007,7 @@ xfs_dir2_node_addname_int( dep->inumber = cpu_to_be64(args->inumber); dep->namelen = args->namelen; memcpy(dep->name, args->name, dep->namelen); - tagp = xfs_dir2_data_entry_tag_p(dep); + tagp = xfs_dir3_data_entry_tag_p(mp, dep); *tagp = cpu_to_be16((char *)dep - (char *)hdr); xfs_dir2_data_log_entry(tp, dbp, dep); /* diff --git a/fs/xfs/xfs_dir2_priv.h b/fs/xfs/xfs_dir2_priv.h index 6d2a99c224b7..1bad84c40829 100644 --- a/fs/xfs/xfs_dir2_priv.h +++ b/fs/xfs/xfs_dir2_priv.h @@ -18,6 +18,8 @@ #ifndef __XFS_DIR2_PRIV_H__ #define __XFS_DIR2_PRIV_H__ +struct dir_context; + /* xfs_dir2.c */ extern int xfs_dir_ino_validate(struct xfs_mount *mp, xfs_ino_t ino); extern int xfs_dir2_grow_inode(struct xfs_da_args *args, int space, @@ -25,6 +27,13 @@ extern int xfs_dir2_grow_inode(struct xfs_da_args *args, int space, extern int xfs_dir_cilookup_result(struct xfs_da_args *args, const unsigned char *name, int len); +#define S_SHIFT 12 +extern const unsigned char xfs_mode_to_ftype[]; + +extern unsigned char xfs_dir3_get_dtype(struct xfs_mount *mp, + __uint8_t filetype); + + /* xfs_dir2_block.c */ extern int xfs_dir3_block_read(struct xfs_trans *tp, struct xfs_inode *dp, struct xfs_buf **bpp); diff --git a/fs/xfs/xfs_dir2_readdir.c b/fs/xfs/xfs_dir2_readdir.c index 5f4f705eebbb..8993ec17452c 100644 --- a/fs/xfs/xfs_dir2_readdir.c +++ b/fs/xfs/xfs_dir2_readdir.c @@ -36,6 +36,44 @@ #include "xfs_trace.h" #include "xfs_bmap.h" +/* + * Directory file type support functions + */ +static unsigned char xfs_dir3_filetype_table[] = { + DT_UNKNOWN, DT_REG, DT_DIR, DT_CHR, DT_BLK, + DT_FIFO, DT_SOCK, DT_LNK, DT_WHT, +}; + +unsigned char +xfs_dir3_get_dtype( + struct xfs_mount *mp, + __uint8_t filetype) +{ + if (!xfs_sb_version_hasftype(&mp->m_sb)) + return DT_UNKNOWN; + + if (filetype >= XFS_DIR3_FT_MAX) + return DT_UNKNOWN; + + return xfs_dir3_filetype_table[filetype]; +} +/* + * @mode, if set, indicates that the type field needs to be set up. + * This uses the transformation from file mode to DT_* as defined in linux/fs.h + * for file type specification. This will be propagated into the directory + * structure if appropriate for the given operation and filesystem config. + */ +const unsigned char xfs_mode_to_ftype[S_IFMT >> S_SHIFT] = { + [0] = XFS_DIR3_FT_UNKNOWN, + [S_IFREG >> S_SHIFT] = XFS_DIR3_FT_REG_FILE, + [S_IFDIR >> S_SHIFT] = XFS_DIR3_FT_DIR, + [S_IFCHR >> S_SHIFT] = XFS_DIR3_FT_CHRDEV, + [S_IFBLK >> S_SHIFT] = XFS_DIR3_FT_BLKDEV, + [S_IFIFO >> S_SHIFT] = XFS_DIR3_FT_FIFO, + [S_IFSOCK >> S_SHIFT] = XFS_DIR3_FT_SOCK, + [S_IFLNK >> S_SHIFT] = XFS_DIR3_FT_SYMLINK, +}; + STATIC int xfs_dir2_sf_getdents( xfs_inode_t *dp, /* incore directory inode */ @@ -109,20 +147,23 @@ xfs_dir2_sf_getdents( */ sfep = xfs_dir2_sf_firstentry(sfp); for (i = 0; i < sfp->count; i++) { + __uint8_t filetype; + off = xfs_dir2_db_off_to_dataptr(mp, mp->m_dirdatablk, xfs_dir2_sf_get_offset(sfep)); if (ctx->pos > off) { - sfep = xfs_dir2_sf_nextentry(sfp, sfep); + sfep = xfs_dir3_sf_nextentry(mp, sfp, sfep); continue; } - ino = xfs_dir2_sfe_get_ino(sfp, sfep); + ino = xfs_dir3_sfe_get_ino(mp, sfp, sfep); + filetype = xfs_dir3_sfe_get_ftype(mp, sfp, sfep); ctx->pos = off & 0x7fffffff; - if (!dir_emit(ctx, (char *)sfep->name, sfep->namelen, - ino, DT_UNKNOWN)) + if (!dir_emit(ctx, (char *)sfep->name, sfep->namelen, ino, + xfs_dir3_get_dtype(mp, filetype))) return 0; - sfep = xfs_dir2_sf_nextentry(sfp, sfep); + sfep = xfs_dir3_sf_nextentry(mp, sfp, sfep); } ctx->pos = xfs_dir2_db_off_to_dataptr(mp, mp->m_dirdatablk + 1, 0) & @@ -180,6 +221,8 @@ xfs_dir2_block_getdents( * Each object is a real entry (dep) or an unused one (dup). */ while (ptr < endptr) { + __uint8_t filetype; + dup = (xfs_dir2_data_unused_t *)ptr; /* * Unused, skip it. @@ -194,7 +237,7 @@ xfs_dir2_block_getdents( /* * Bump pointer for the next iteration. */ - ptr += xfs_dir2_data_entsize(dep->namelen); + ptr += xfs_dir3_data_entsize(mp, dep->namelen); /* * The entry is before the desired starting point, skip it. */ @@ -205,11 +248,13 @@ xfs_dir2_block_getdents( (char *)dep - (char *)hdr); ctx->pos = cook & 0x7fffffff; + filetype = xfs_dir3_dirent_get_ftype(mp, dep); /* * If it didn't fit, set the final offset to here & return. */ if (!dir_emit(ctx, (char *)dep->name, dep->namelen, - be64_to_cpu(dep->inumber), DT_UNKNOWN)) { + be64_to_cpu(dep->inumber), + xfs_dir3_get_dtype(mp, filetype))) { xfs_trans_brelse(NULL, bp); return 0; } @@ -500,6 +545,8 @@ xfs_dir2_leaf_getdents( * Get more blocks and readahead as necessary. */ while (curoff < XFS_DIR2_LEAF_OFFSET) { + __uint8_t filetype; + /* * If we have no buffer, or we're off the end of the * current buffer, need to get another one. @@ -554,7 +601,7 @@ xfs_dir2_leaf_getdents( } dep = (xfs_dir2_data_entry_t *)ptr; length = - xfs_dir2_data_entsize(dep->namelen); + xfs_dir3_data_entsize(mp, dep->namelen); ptr += length; } /* @@ -585,11 +632,13 @@ xfs_dir2_leaf_getdents( } dep = (xfs_dir2_data_entry_t *)ptr; - length = xfs_dir2_data_entsize(dep->namelen); + length = xfs_dir3_data_entsize(mp, dep->namelen); + filetype = xfs_dir3_dirent_get_ftype(mp, dep); ctx->pos = xfs_dir2_byte_to_dataptr(mp, curoff) & 0x7fffffff; if (!dir_emit(ctx, (char *)dep->name, dep->namelen, - be64_to_cpu(dep->inumber), DT_UNKNOWN)) + be64_to_cpu(dep->inumber), + xfs_dir3_get_dtype(mp, filetype))) break; /* diff --git a/fs/xfs/xfs_dir2_sf.c b/fs/xfs/xfs_dir2_sf.c index 65b65c5f8c3c..bd14e1a72c62 100644 --- a/fs/xfs/xfs_dir2_sf.c +++ b/fs/xfs/xfs_dir2_sf.c @@ -105,31 +105,38 @@ xfs_dir2_sf_put_parent_ino( /* * In short-form directory entries the inode numbers are stored at variable - * offset behind the entry name. The inode numbers may only be accessed - * through the helpers below. + * offset behind the entry name. If the entry stores a filetype value, then it + * sits between the name and the inode number. Hence the inode numbers may only + * be accessed through the helpers below. */ static xfs_dir2_inou_t * -xfs_dir2_sfe_inop( +xfs_dir3_sfe_inop( + struct xfs_mount *mp, struct xfs_dir2_sf_entry *sfep) { - return (xfs_dir2_inou_t *)&sfep->name[sfep->namelen]; + __uint8_t *ptr = &sfep->name[sfep->namelen]; + if (xfs_sb_version_hasftype(&mp->m_sb)) + ptr++; + return (xfs_dir2_inou_t *)ptr; } xfs_ino_t -xfs_dir2_sfe_get_ino( +xfs_dir3_sfe_get_ino( + struct xfs_mount *mp, struct xfs_dir2_sf_hdr *hdr, struct xfs_dir2_sf_entry *sfep) { - return xfs_dir2_sf_get_ino(hdr, xfs_dir2_sfe_inop(sfep)); + return xfs_dir2_sf_get_ino(hdr, xfs_dir3_sfe_inop(mp, sfep)); } void -xfs_dir2_sfe_put_ino( +xfs_dir3_sfe_put_ino( + struct xfs_mount *mp, struct xfs_dir2_sf_hdr *hdr, struct xfs_dir2_sf_entry *sfep, xfs_ino_t ino) { - xfs_dir2_sf_put_ino(hdr, xfs_dir2_sfe_inop(sfep), ino); + xfs_dir2_sf_put_ino(hdr, xfs_dir3_sfe_inop(mp, sfep), ino); } /* @@ -157,9 +164,16 @@ xfs_dir2_block_sfsize( int namelen; /* total name bytes */ xfs_ino_t parent = 0; /* parent inode number */ int size=0; /* total computed size */ + int has_ftype; mp = dp->i_mount; + /* + * if there is a filetype field, add the extra byte to the namelen + * for each entry that we see. + */ + has_ftype = xfs_sb_version_hasftype(&mp->m_sb) ? 1 : 0; + count = i8count = namelen = 0; btp = xfs_dir2_block_tail_p(mp, hdr); blp = xfs_dir2_block_leaf_p(btp); @@ -188,9 +202,10 @@ xfs_dir2_block_sfsize( if (!isdot) i8count += be64_to_cpu(dep->inumber) > XFS_DIR2_MAX_SHORT_INUM; #endif + /* take into account the file type field */ if (!isdot && !isdotdot) { count++; - namelen += dep->namelen; + namelen += dep->namelen + has_ftype; } else if (isdotdot) parent = be64_to_cpu(dep->inumber); /* @@ -316,12 +331,12 @@ xfs_dir2_block_to_sf( (xfs_dir2_data_aoff_t) ((char *)dep - (char *)hdr)); memcpy(sfep->name, dep->name, dep->namelen); - xfs_dir2_sfe_put_ino(sfp, sfep, + xfs_dir3_sfe_put_ino(mp, sfp, sfep, be64_to_cpu(dep->inumber)); - sfep = xfs_dir2_sf_nextentry(sfp, sfep); + sfep = xfs_dir3_sf_nextentry(mp, sfp, sfep); } - ptr += xfs_dir2_data_entsize(dep->namelen); + ptr += xfs_dir3_data_entsize(mp, dep->namelen); } ASSERT((char *)sfep - (char *)sfp == size); xfs_dir2_sf_check(args); @@ -372,7 +387,7 @@ xfs_dir2_sf_addname( /* * Compute entry (and change in) size. */ - add_entsize = xfs_dir2_sf_entsize(sfp, args->namelen); + add_entsize = xfs_dir3_sf_entsize(dp->i_mount, sfp, args->namelen); incr_isize = add_entsize; objchange = 0; #if XFS_BIG_INUMS @@ -466,8 +481,9 @@ xfs_dir2_sf_addname_easy( /* * Grow the in-inode space. */ - xfs_idata_realloc(dp, xfs_dir2_sf_entsize(sfp, args->namelen), - XFS_DATA_FORK); + xfs_idata_realloc(dp, + xfs_dir3_sf_entsize(dp->i_mount, sfp, args->namelen), + XFS_DATA_FORK); /* * Need to set up again due to realloc of the inode data. */ @@ -479,7 +495,7 @@ xfs_dir2_sf_addname_easy( sfep->namelen = args->namelen; xfs_dir2_sf_put_offset(sfep, offset); memcpy(sfep->name, args->name, sfep->namelen); - xfs_dir2_sfe_put_ino(sfp, sfep, args->inumber); + xfs_dir3_sfe_put_ino(dp->i_mount, sfp, sfep, args->inumber); /* * Update the header and inode. */ @@ -519,11 +535,13 @@ xfs_dir2_sf_addname_hard( xfs_dir2_sf_hdr_t *oldsfp; /* original shortform dir */ xfs_dir2_sf_entry_t *sfep; /* entry in new dir */ xfs_dir2_sf_hdr_t *sfp; /* new shortform dir */ + struct xfs_mount *mp; /* * Copy the old directory to the stack buffer. */ dp = args->dp; + mp = dp->i_mount; sfp = (xfs_dir2_sf_hdr_t *)dp->i_df.if_u1.if_data; old_isize = (int)dp->i_d.di_size; @@ -535,13 +553,13 @@ xfs_dir2_sf_addname_hard( * to insert the new entry. * If it's going to end up at the end then oldsfep will point there. */ - for (offset = XFS_DIR3_DATA_FIRST_OFFSET(dp->i_mount), + for (offset = XFS_DIR3_DATA_FIRST_OFFSET(mp), oldsfep = xfs_dir2_sf_firstentry(oldsfp), - add_datasize = xfs_dir2_data_entsize(args->namelen), + add_datasize = xfs_dir3_data_entsize(mp, args->namelen), eof = (char *)oldsfep == &buf[old_isize]; !eof; - offset = new_offset + xfs_dir2_data_entsize(oldsfep->namelen), - oldsfep = xfs_dir2_sf_nextentry(oldsfp, oldsfep), + offset = new_offset + xfs_dir3_data_entsize(mp, oldsfep->namelen), + oldsfep = xfs_dir3_sf_nextentry(mp, oldsfp, oldsfep), eof = (char *)oldsfep == &buf[old_isize]) { new_offset = xfs_dir2_sf_get_offset(oldsfep); if (offset + add_datasize <= new_offset) @@ -570,7 +588,7 @@ xfs_dir2_sf_addname_hard( sfep->namelen = args->namelen; xfs_dir2_sf_put_offset(sfep, offset); memcpy(sfep->name, args->name, sfep->namelen); - xfs_dir2_sfe_put_ino(sfp, sfep, args->inumber); + xfs_dir3_sfe_put_ino(mp, sfp, sfep, args->inumber); sfp->count++; #if XFS_BIG_INUMS if (args->inumber > XFS_DIR2_MAX_SHORT_INUM && !objchange) @@ -580,7 +598,7 @@ xfs_dir2_sf_addname_hard( * If there's more left to copy, do that. */ if (!eof) { - sfep = xfs_dir2_sf_nextentry(sfp, sfep); + sfep = xfs_dir3_sf_nextentry(mp, sfp, sfep); memcpy(sfep, oldsfep, old_isize - nbytes); } kmem_free(buf); @@ -616,7 +634,7 @@ xfs_dir2_sf_addname_pick( mp = dp->i_mount; sfp = (xfs_dir2_sf_hdr_t *)dp->i_df.if_u1.if_data; - size = xfs_dir2_data_entsize(args->namelen); + size = xfs_dir3_data_entsize(mp, args->namelen); offset = XFS_DIR3_DATA_FIRST_OFFSET(mp); sfep = xfs_dir2_sf_firstentry(sfp); holefit = 0; @@ -629,8 +647,8 @@ xfs_dir2_sf_addname_pick( if (!holefit) holefit = offset + size <= xfs_dir2_sf_get_offset(sfep); offset = xfs_dir2_sf_get_offset(sfep) + - xfs_dir2_data_entsize(sfep->namelen); - sfep = xfs_dir2_sf_nextentry(sfp, sfep); + xfs_dir3_data_entsize(mp, sfep->namelen); + sfep = xfs_dir3_sf_nextentry(mp, sfp, sfep); } /* * Calculate data bytes used excluding the new entry, if this @@ -684,31 +702,34 @@ xfs_dir2_sf_check( int offset; /* data offset */ xfs_dir2_sf_entry_t *sfep; /* shortform dir entry */ xfs_dir2_sf_hdr_t *sfp; /* shortform structure */ + struct xfs_mount *mp; dp = args->dp; + mp = dp->i_mount; sfp = (xfs_dir2_sf_hdr_t *)dp->i_df.if_u1.if_data; - offset = XFS_DIR3_DATA_FIRST_OFFSET(dp->i_mount); + offset = XFS_DIR3_DATA_FIRST_OFFSET(mp); ino = xfs_dir2_sf_get_parent_ino(sfp); i8count = ino > XFS_DIR2_MAX_SHORT_INUM; for (i = 0, sfep = xfs_dir2_sf_firstentry(sfp); i < sfp->count; - i++, sfep = xfs_dir2_sf_nextentry(sfp, sfep)) { + i++, sfep = xfs_dir3_sf_nextentry(mp, sfp, sfep)) { ASSERT(xfs_dir2_sf_get_offset(sfep) >= offset); - ino = xfs_dir2_sfe_get_ino(sfp, sfep); + ino = xfs_dir3_sfe_get_ino(mp, sfp, sfep); i8count += ino > XFS_DIR2_MAX_SHORT_INUM; offset = xfs_dir2_sf_get_offset(sfep) + - xfs_dir2_data_entsize(sfep->namelen); + xfs_dir3_data_entsize(mp, sfep->namelen); + ASSERT(xfs_dir3_sfe_get_ftype(mp, sfp, sfep) < + XFS_DIR3_FT_MAX); } ASSERT(i8count == sfp->i8count); ASSERT(XFS_BIG_INUMS || i8count == 0); ASSERT((char *)sfep - (char *)sfp == dp->i_d.di_size); ASSERT(offset + (sfp->count + 2) * (uint)sizeof(xfs_dir2_leaf_entry_t) + - (uint)sizeof(xfs_dir2_block_tail_t) <= - dp->i_mount->m_dirblksize); + (uint)sizeof(xfs_dir2_block_tail_t) <= mp->m_dirblksize); } #endif /* DEBUG */ @@ -820,7 +841,7 @@ xfs_dir2_sf_lookup( */ ci_sfep = NULL; for (i = 0, sfep = xfs_dir2_sf_firstentry(sfp); i < sfp->count; - i++, sfep = xfs_dir2_sf_nextentry(sfp, sfep)) { + i++, sfep = xfs_dir3_sf_nextentry(dp->i_mount, sfp, sfep)) { /* * Compare name and if it's an exact match, return the inode * number. If it's the first case-insensitive match, store the @@ -830,7 +851,8 @@ xfs_dir2_sf_lookup( sfep->namelen); if (cmp != XFS_CMP_DIFFERENT && cmp != args->cmpresult) { args->cmpresult = cmp; - args->inumber = xfs_dir2_sfe_get_ino(sfp, sfep); + args->inumber = xfs_dir3_sfe_get_ino(dp->i_mount, + sfp, sfep); if (cmp == XFS_CMP_EXACT) return XFS_ERROR(EEXIST); ci_sfep = sfep; @@ -886,10 +908,10 @@ xfs_dir2_sf_removename( * Find the one we're deleting. */ for (i = 0, sfep = xfs_dir2_sf_firstentry(sfp); i < sfp->count; - i++, sfep = xfs_dir2_sf_nextentry(sfp, sfep)) { + i++, sfep = xfs_dir3_sf_nextentry(dp->i_mount, sfp, sfep)) { if (xfs_da_compname(args, sfep->name, sfep->namelen) == XFS_CMP_EXACT) { - ASSERT(xfs_dir2_sfe_get_ino(sfp, sfep) == + ASSERT(xfs_dir3_sfe_get_ino(dp->i_mount, sfp, sfep) == args->inumber); break; } @@ -903,7 +925,7 @@ xfs_dir2_sf_removename( * Calculate sizes. */ byteoff = (int)((char *)sfep - (char *)sfp); - entsize = xfs_dir2_sf_entsize(sfp, args->namelen); + entsize = xfs_dir3_sf_entsize(dp->i_mount, sfp, args->namelen); newsize = oldsize - entsize; /* * Copy the part if any after the removed entry, sliding it down. @@ -1019,16 +1041,17 @@ xfs_dir2_sf_replace( * Normal entry, look for the name. */ else { - for (i = 0, sfep = xfs_dir2_sf_firstentry(sfp); - i < sfp->count; - i++, sfep = xfs_dir2_sf_nextentry(sfp, sfep)) { + for (i = 0, sfep = xfs_dir2_sf_firstentry(sfp); i < sfp->count; + i++, sfep = xfs_dir3_sf_nextentry(dp->i_mount, sfp, sfep)) { if (xfs_da_compname(args, sfep->name, sfep->namelen) == XFS_CMP_EXACT) { #if XFS_BIG_INUMS || defined(DEBUG) - ino = xfs_dir2_sfe_get_ino(sfp, sfep); + ino = xfs_dir3_sfe_get_ino(dp->i_mount, + sfp, sfep); ASSERT(args->inumber != ino); #endif - xfs_dir2_sfe_put_ino(sfp, sfep, args->inumber); + xfs_dir3_sfe_put_ino(dp->i_mount, sfp, sfep, + args->inumber); break; } } @@ -1136,13 +1159,13 @@ xfs_dir2_sf_toino4( for (i = 0, sfep = xfs_dir2_sf_firstentry(sfp), oldsfep = xfs_dir2_sf_firstentry(oldsfp); i < sfp->count; - i++, sfep = xfs_dir2_sf_nextentry(sfp, sfep), - oldsfep = xfs_dir2_sf_nextentry(oldsfp, oldsfep)) { + i++, sfep = xfs_dir3_sf_nextentry(dp->i_mount, sfp, sfep), + oldsfep = xfs_dir3_sf_nextentry(dp->i_mount, oldsfp, oldsfep)) { sfep->namelen = oldsfep->namelen; sfep->offset = oldsfep->offset; memcpy(sfep->name, oldsfep->name, sfep->namelen); - xfs_dir2_sfe_put_ino(sfp, sfep, - xfs_dir2_sfe_get_ino(oldsfp, oldsfep)); + xfs_dir3_sfe_put_ino(dp->i_mount, sfp, sfep, + xfs_dir3_sfe_get_ino(dp->i_mount, oldsfp, oldsfep)); } /* * Clean up the inode. @@ -1211,13 +1234,13 @@ xfs_dir2_sf_toino8( for (i = 0, sfep = xfs_dir2_sf_firstentry(sfp), oldsfep = xfs_dir2_sf_firstentry(oldsfp); i < sfp->count; - i++, sfep = xfs_dir2_sf_nextentry(sfp, sfep), - oldsfep = xfs_dir2_sf_nextentry(oldsfp, oldsfep)) { + i++, sfep = xfs_dir3_sf_nextentry(dp->i_mount, sfp, sfep), + oldsfep = xfs_dir3_sf_nextentry(dp->i_mount, oldsfp, oldsfep)) { sfep->namelen = oldsfep->namelen; sfep->offset = oldsfep->offset; memcpy(sfep->name, oldsfep->name, sfep->namelen); - xfs_dir2_sfe_put_ino(sfp, sfep, - xfs_dir2_sfe_get_ino(oldsfp, oldsfep)); + xfs_dir3_sfe_put_ino(dp->i_mount, sfp, sfep, + xfs_dir3_sfe_get_ino(dp->i_mount, oldsfp, oldsfep)); } /* * Clean up the inode. diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c index 6d7e9e2d7651..2b8952d9199b 100644 --- a/fs/xfs/xfs_iops.c +++ b/fs/xfs/xfs_iops.c @@ -40,6 +40,9 @@ #include "xfs_trace.h" #include "xfs_icache.h" #include "xfs_symlink.h" +#include "xfs_da_btree.h" +#include "xfs_dir2_format.h" +#include "xfs_dir2_priv.h" #include <linux/capability.h> #include <linux/xattr.h> @@ -88,10 +91,12 @@ xfs_init_security( static void xfs_dentry_to_name( struct xfs_name *namep, - struct dentry *dentry) + struct dentry *dentry, + int mode) { namep->name = dentry->d_name.name; namep->len = dentry->d_name.len; + namep->type = xfs_mode_to_ftype[(mode & S_IFMT) >> S_SHIFT]; } STATIC void @@ -107,7 +112,7 @@ xfs_cleanup_inode( * xfs_init_security we must back out. * ENOSPC can hit here, among other things. */ - xfs_dentry_to_name(&teardown, dentry); + xfs_dentry_to_name(&teardown, dentry, 0); xfs_remove(XFS_I(dir), &teardown, XFS_I(inode)); iput(inode); @@ -147,7 +152,7 @@ xfs_vn_mknod( mode &= ~current_umask(); } - xfs_dentry_to_name(&name, dentry); + xfs_dentry_to_name(&name, dentry, mode); error = xfs_create(XFS_I(dir), &name, mode, rdev, &ip); if (unlikely(error)) goto out_free_acl; @@ -208,7 +213,7 @@ xfs_vn_lookup( if (dentry->d_name.len >= MAXNAMELEN) return ERR_PTR(-ENAMETOOLONG); - xfs_dentry_to_name(&name, dentry); + xfs_dentry_to_name(&name, dentry, 0); error = xfs_lookup(XFS_I(dir), &name, &cip, NULL); if (unlikely(error)) { if (unlikely(error != ENOENT)) @@ -235,7 +240,7 @@ xfs_vn_ci_lookup( if (dentry->d_name.len >= MAXNAMELEN) return ERR_PTR(-ENAMETOOLONG); - xfs_dentry_to_name(&xname, dentry); + xfs_dentry_to_name(&xname, dentry, 0); error = xfs_lookup(XFS_I(dir), &xname, &ip, &ci_name); if (unlikely(error)) { if (unlikely(error != ENOENT)) @@ -270,7 +275,7 @@ xfs_vn_link( struct xfs_name name; int error; - xfs_dentry_to_name(&name, dentry); + xfs_dentry_to_name(&name, dentry, inode->i_mode); error = xfs_link(XFS_I(dir), XFS_I(inode), &name); if (unlikely(error)) @@ -289,7 +294,7 @@ xfs_vn_unlink( struct xfs_name name; int error; - xfs_dentry_to_name(&name, dentry); + xfs_dentry_to_name(&name, dentry, 0); error = -xfs_remove(XFS_I(dir), &name, XFS_I(dentry->d_inode)); if (error) @@ -319,7 +324,7 @@ xfs_vn_symlink( mode = S_IFLNK | (irix_symlink_mode ? 0777 & ~current_umask() : S_IRWXUGO); - xfs_dentry_to_name(&name, dentry); + xfs_dentry_to_name(&name, dentry, mode); error = xfs_symlink(XFS_I(dir), &name, symname, mode, &cip); if (unlikely(error)) @@ -351,12 +356,12 @@ xfs_vn_rename( struct xfs_name oname; struct xfs_name nname; - xfs_dentry_to_name(&oname, odentry); - xfs_dentry_to_name(&nname, ndentry); + xfs_dentry_to_name(&oname, odentry, 0); + xfs_dentry_to_name(&nname, ndentry, odentry->d_inode->i_mode); return -xfs_rename(XFS_I(odir), &oname, XFS_I(odentry->d_inode), XFS_I(ndir), &nname, new_inode ? - XFS_I(new_inode) : NULL); + XFS_I(new_inode) : NULL); } /* diff --git a/fs/xfs/xfs_sb.h b/fs/xfs/xfs_sb.h index db7593f4bc7e..3c297a451622 100644 --- a/fs/xfs/xfs_sb.h +++ b/fs/xfs/xfs_sb.h @@ -555,12 +555,6 @@ static inline void xfs_sb_version_addprojid32bit(xfs_sb_t *sbp) sbp->sb_bad_features2 |= XFS_SB_VERSION2_PROJID32BIT; } -static inline int xfs_sb_version_hascrc(xfs_sb_t *sbp) -{ - return XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5; -} - - /* * Extended v5 superblock feature masks. These are to be used for new v5 * superblock features only. @@ -599,7 +593,9 @@ xfs_sb_has_ro_compat_feature( return (sbp->sb_features_ro_compat & feature) != 0; } +#define XFS_SB_FEAT_INCOMPAT_FTYPE (1 << 0) /* filetype in dirent */ #define XFS_SB_FEAT_INCOMPAT_ALL 0 + #define XFS_SB_FEAT_INCOMPAT_UNKNOWN ~XFS_SB_FEAT_INCOMPAT_ALL static inline bool xfs_sb_has_incompat_feature( @@ -619,11 +615,25 @@ xfs_sb_has_incompat_log_feature( return (sbp->sb_features_log_incompat & feature) != 0; } +/* + * V5 superblock specific feature checks + */ +static inline int xfs_sb_version_hascrc(xfs_sb_t *sbp) +{ + return XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5; +} + static inline int xfs_sb_version_has_pquotino(xfs_sb_t *sbp) { return XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5; } +static inline int xfs_sb_version_hasftype(struct xfs_sb *sbp) +{ + return XFS_SB_VERSION_NUM(sbp) == XFS_SB_VERSION_5 && + xfs_sb_has_incompat_feature(sbp, XFS_SB_FEAT_INCOMPAT_FTYPE); +} + /* * end of superblock version macros */ diff --git a/fs/xfs/xfs_types.h b/fs/xfs/xfs_types.h index ce44b182821f..82bbc34d54a3 100644 --- a/fs/xfs/xfs_types.h +++ b/fs/xfs/xfs_types.h @@ -140,6 +140,7 @@ typedef enum { struct xfs_name { const unsigned char *name; int len; + int type; }; /* |