diff options
| -rw-r--r-- | fs/xfs/linux-2.6/xfs_export.c | 5 | ||||
| -rw-r--r-- | fs/xfs/linux-2.6/xfs_iops.c | 55 | ||||
| -rw-r--r-- | fs/xfs/linux-2.6/xfs_vnode.h | 9 | ||||
| -rw-r--r-- | fs/xfs/xfs_dir2.c | 62 | ||||
| -rw-r--r-- | fs/xfs/xfs_dir2.h | 12 | ||||
| -rw-r--r-- | fs/xfs/xfs_mount.h | 4 | ||||
| -rw-r--r-- | fs/xfs/xfs_rename.c | 82 | ||||
| -rw-r--r-- | fs/xfs/xfs_types.h | 5 | ||||
| -rw-r--r-- | fs/xfs/xfs_utils.c | 4 | ||||
| -rw-r--r-- | fs/xfs/xfs_utils.h | 4 | ||||
| -rw-r--r-- | fs/xfs/xfs_vnodeops.c | 121 | ||||
| -rw-r--r-- | fs/xfs/xfs_vnodeops.h | 23 |
12 files changed, 183 insertions, 203 deletions
diff --git a/fs/xfs/linux-2.6/xfs_export.c b/fs/xfs/linux-2.6/xfs_export.c index 66a9a9e..265f0168 100644 --- a/fs/xfs/linux-2.6/xfs_export.c +++ b/fs/xfs/linux-2.6/xfs_export.c @@ -22,6 +22,7 @@ #include "xfs_trans.h" #include "xfs_sb.h" #include "xfs_ag.h" +#include "xfs_dir2.h" #include "xfs_dmapi.h" #include "xfs_mount.h" #include "xfs_export.h" @@ -30,8 +31,6 @@ #include "xfs_inode.h" #include "xfs_vfsops.h" -static struct dentry dotdot = { .d_name.name = "..", .d_name.len = 2, }; - /* * Note that we only accept fileids which are long enough rather than allow * the parent generation number to default to zero. XFS considers zero a @@ -216,7 +215,7 @@ xfs_fs_get_parent( struct xfs_inode *cip; struct dentry *parent; - error = xfs_lookup(XFS_I(child->d_inode), &dotdot, &cip); + error = xfs_lookup(XFS_I(child->d_inode), &xfs_name_dotdot, &cip); if (unlikely(error)) return ERR_PTR(-error); diff --git a/fs/xfs/linux-2.6/xfs_iops.c b/fs/xfs/linux-2.6/xfs_iops.c index 41e7baa..0c958cf 100644 --- a/fs/xfs/linux-2.6/xfs_iops.c +++ b/fs/xfs/linux-2.6/xfs_iops.c @@ -239,6 +239,15 @@ xfs_init_security( return error; } +static void +xfs_dentry_to_name( + struct xfs_name *namep, + struct dentry *dentry) +{ + namep->name = dentry->d_name.name; + namep->len = dentry->d_name.len; +} + STATIC void xfs_cleanup_inode( struct inode *dir, @@ -246,20 +255,19 @@ xfs_cleanup_inode( struct dentry *dentry, int mode) { - struct dentry teardown = {}; + struct xfs_name teardown; /* Oh, the horror. * If we can't add the ACL or we fail in * xfs_init_security we must back out. * ENOSPC can hit here, among other things. */ - teardown.d_inode = inode; - teardown.d_name = dentry->d_name; + xfs_dentry_to_name(&teardown, dentry); if (S_ISDIR(mode)) - xfs_rmdir(XFS_I(dir), &teardown); + xfs_rmdir(XFS_I(dir), &teardown, XFS_I(inode)); else - xfs_remove(XFS_I(dir), &teardown); + xfs_remove(XFS_I(dir), &teardown, XFS_I(inode)); iput(inode); } @@ -273,6 +281,7 @@ xfs_vn_mknod( struct inode *inode; struct xfs_inode *ip = NULL; xfs_acl_t *default_acl = NULL; + struct xfs_name name; attrexists_t test_default_acl = _ACL_DEFAULT_EXISTS; int error; @@ -293,6 +302,8 @@ xfs_vn_mknod( } } + xfs_dentry_to_name(&name, dentry); + if (IS_POSIXACL(dir) && !default_acl) mode &= ~current->fs->umask; @@ -303,10 +314,10 @@ xfs_vn_mknod( case S_IFSOCK: rdev = sysv_encode_dev(rdev); case S_IFREG: - error = xfs_create(XFS_I(dir), dentry, mode, rdev, &ip, NULL); + error = xfs_create(XFS_I(dir), &name, mode, rdev, &ip, NULL); break; case S_IFDIR: - error = xfs_mkdir(XFS_I(dir), dentry, mode, &ip, NULL); + error = xfs_mkdir(XFS_I(dir), &name, mode, &ip, NULL); break; default: error = EINVAL; @@ -371,12 +382,14 @@ xfs_vn_lookup( struct nameidata *nd) { struct xfs_inode *cip; + struct xfs_name name; int error; if (dentry->d_name.len >= MAXNAMELEN) return ERR_PTR(-ENAMETOOLONG); - error = xfs_lookup(XFS_I(dir), dentry, &cip); + xfs_dentry_to_name(&name, dentry); + error = xfs_lookup(XFS_I(dir), &name, &cip); if (unlikely(error)) { if (unlikely(error != ENOENT)) return ERR_PTR(-error); @@ -394,12 +407,14 @@ xfs_vn_link( struct dentry *dentry) { struct inode *inode; /* inode of guy being linked to */ + struct xfs_name name; int error; inode = old_dentry->d_inode; + xfs_dentry_to_name(&name, dentry); igrab(inode); - error = xfs_link(XFS_I(dir), XFS_I(inode), dentry); + error = xfs_link(XFS_I(dir), XFS_I(inode), &name); if (unlikely(error)) { iput(inode); return -error; @@ -417,11 +432,13 @@ xfs_vn_unlink( struct dentry *dentry) { struct inode *inode; + struct xfs_name name; int error; inode = dentry->d_inode; + xfs_dentry_to_name(&name, dentry); - error = xfs_remove(XFS_I(dir), dentry); + error = xfs_remove(XFS_I(dir), &name, XFS_I(inode)); if (likely(!error)) { xfs_validate_fields(dir); /* size needs update */ xfs_validate_fields(inode); @@ -437,14 +454,15 @@ xfs_vn_symlink( { struct inode *inode; struct xfs_inode *cip = NULL; + struct xfs_name name; int error; mode_t mode; mode = S_IFLNK | (irix_symlink_mode ? 0777 & ~current->fs->umask : S_IRWXUGO); + xfs_dentry_to_name(&name, dentry); - error = xfs_symlink(XFS_I(dir), dentry, (char *)symname, mode, - &cip, NULL); + error = xfs_symlink(XFS_I(dir), &name, symname, mode, &cip, NULL); if (unlikely(error)) goto out; @@ -471,9 +489,12 @@ xfs_vn_rmdir( struct dentry *dentry) { struct inode *inode = dentry->d_inode; + struct xfs_name name; int error; - error = xfs_rmdir(XFS_I(dir), dentry); + xfs_dentry_to_name(&name, dentry); + + error = xfs_rmdir(XFS_I(dir), &name, XFS_I(inode)); if (likely(!error)) { xfs_validate_fields(inode); xfs_validate_fields(dir); @@ -489,9 +510,15 @@ xfs_vn_rename( struct dentry *ndentry) { struct inode *new_inode = ndentry->d_inode; + struct xfs_name oname; + struct xfs_name nname; int error; - error = xfs_rename(XFS_I(odir), odentry, XFS_I(ndir), ndentry); + xfs_dentry_to_name(&oname, odentry); + xfs_dentry_to_name(&nname, ndentry); + + error = xfs_rename(XFS_I(odir), &oname, XFS_I(odentry->d_inode), + XFS_I(ndir), &nname); if (likely(!error)) { if (new_inode) xfs_validate_fields(new_inode); diff --git a/fs/xfs/linux-2.6/xfs_vnode.h b/fs/xfs/linux-2.6/xfs_vnode.h index dbb8a5d..8b4d63c 100644 --- a/fs/xfs/linux-2.6/xfs_vnode.h +++ b/fs/xfs/linux-2.6/xfs_vnode.h @@ -23,8 +23,6 @@ struct bhv_vattr; struct xfs_iomap; struct attrlist_cursor_kern; -typedef struct dentry bhv_vname_t; -typedef __u64 bhv_vnumber_t; typedef struct inode bhv_vnode_t; #define VN_ISLNK(vp) S_ISLNK((vp)->i_mode) @@ -211,13 +209,6 @@ static inline bhv_vnode_t *vn_grab(bhv_vnode_t *vp) } /* - * Vname handling macros. - */ -#define VNAME(dentry) ((char *) (dentry)->d_name.name) -#define VNAMELEN(dentry) ((dentry)->d_name.len) -#define VNAME_TO_INODE(dentry) (XFS_I((dentry)->d_inode)) - -/* * Dealing with bad inodes */ static inline int VN_BAD(bhv_vnode_t *vp) diff --git a/fs/xfs/xfs_dir2.c b/fs/xfs/xfs_dir2.c index e92e73f..7cb2652 100644 --- a/fs/xfs/xfs_dir2.c +++ b/fs/xfs/xfs_dir2.c @@ -44,6 +44,7 @@ #include "xfs_error.h" #include "xfs_vnodeops.h" +struct xfs_name xfs_name_dotdot = {"..", 2}; void xfs_dir_mount( @@ -146,8 +147,7 @@ int xfs_dir_createname( xfs_trans_t *tp, xfs_inode_t *dp, - char *name, - int namelen, + struct xfs_name *name, xfs_ino_t inum, /* new entry inode number */ xfs_fsblock_t *first, /* bmap's firstblock */ xfs_bmap_free_t *flist, /* bmap's freeblock list */ @@ -162,9 +162,9 @@ xfs_dir_createname( return rval; XFS_STATS_INC(xs_dir_create); - args.name = name; - args.namelen = namelen; - args.hashval = xfs_da_hashname(name, namelen); + args.name = name->name; + args.namelen = name->len; + args.hashval = xfs_da_hashname(name->name, name->len); args.inumber = inum; args.dp = dp; args.firstblock = first; @@ -197,8 +197,7 @@ int xfs_dir_lookup( xfs_trans_t *tp, xfs_inode_t *dp, - char *name, - int namelen, + struct xfs_name *name, xfs_ino_t *inum) /* out: inode number */ { xfs_da_args_t args; @@ -207,18 +206,14 @@ xfs_dir_lookup( ASSERT((dp->i_d.di_mode & S_IFMT) == S_IFDIR); XFS_STATS_INC(xs_dir_lookup); + memset(&args, 0, sizeof(xfs_da_args_t)); - args.name = name; - args.namelen = namelen; - args.hashval = xfs_da_hashname(name, namelen); - args.inumber = 0; + args.name = name->name; + args.namelen = name->len; + args.hashval = xfs_da_hashname(name->name, name->len); args.dp = dp; - args.firstblock = NULL; - args.flist = NULL; - args.total = 0; args.whichfork = XFS_DATA_FORK; args.trans = tp; - args.justcheck = args.addname = 0; args.oknoent = 1; if (dp->i_d.di_format == XFS_DINODE_FMT_LOCAL) @@ -247,8 +242,7 @@ int xfs_dir_removename( xfs_trans_t *tp, xfs_inode_t *dp, - char *name, - int namelen, + struct xfs_name *name, xfs_ino_t ino, xfs_fsblock_t *first, /* bmap's firstblock */ xfs_bmap_free_t *flist, /* bmap's freeblock list */ @@ -261,9 +255,9 @@ xfs_dir_removename( 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.name = name->name; + args.namelen = name->len; + args.hashval = xfs_da_hashname(name->name, name->len); args.inumber = ino; args.dp = dp; args.firstblock = first; @@ -329,8 +323,7 @@ int xfs_dir_replace( xfs_trans_t *tp, xfs_inode_t *dp, - char *name, /* name of entry to replace */ - int namelen, + struct xfs_name *name, /* name of entry to replace */ xfs_ino_t inum, /* new inode number */ xfs_fsblock_t *first, /* bmap's firstblock */ xfs_bmap_free_t *flist, /* bmap's freeblock list */ @@ -345,9 +338,9 @@ xfs_dir_replace( if ((rval = xfs_dir_ino_validate(tp->t_mountp, inum))) return rval; - args.name = name; - args.namelen = namelen; - args.hashval = xfs_da_hashname(name, namelen); + args.name = name->name; + args.namelen = name->len; + args.hashval = xfs_da_hashname(name->name, name->len); args.inumber = inum; args.dp = dp; args.firstblock = first; @@ -374,28 +367,29 @@ xfs_dir_replace( /* * See if this entry can be added to the directory without allocating space. + * First checks that the caller couldn't reserve enough space (resblks = 0). */ int xfs_dir_canenter( xfs_trans_t *tp, xfs_inode_t *dp, - char *name, /* name of entry to add */ - int namelen) + struct xfs_name *name, /* name of entry to add */ + uint resblks) { xfs_da_args_t args; int rval; int v; /* type-checking value */ + if (resblks) + return 0; + ASSERT((dp->i_d.di_mode & S_IFMT) == S_IFDIR); + memset(&args, 0, sizeof(xfs_da_args_t)); - args.name = name; - args.namelen = namelen; - args.hashval = xfs_da_hashname(name, namelen); - args.inumber = 0; + args.name = name->name; + args.namelen = name->len; + args.hashval = xfs_da_hashname(name->name, name->len); args.dp = dp; - args.firstblock = NULL; - args.flist = NULL; - args.total = 0; args.whichfork = XFS_DATA_FORK; args.trans = tp; args.justcheck = args.addname = args.oknoent = 1; diff --git a/fs/xfs/xfs_dir2.h b/fs/xfs/xfs_dir2.h index b265197..6392f93 100644 --- a/fs/xfs/xfs_dir2.h +++ b/fs/xfs/xfs_dir2.h @@ -59,6 +59,8 @@ typedef __uint32_t xfs_dir2_db_t; */ typedef xfs_off_t xfs_dir2_off_t; +extern struct xfs_name xfs_name_dotdot; + /* * Generic directory interface routines */ @@ -68,21 +70,21 @@ extern int xfs_dir_isempty(struct xfs_inode *dp); extern int xfs_dir_init(struct xfs_trans *tp, struct xfs_inode *dp, struct xfs_inode *pdp); extern int xfs_dir_createname(struct xfs_trans *tp, struct xfs_inode *dp, - char *name, int namelen, xfs_ino_t inum, + struct xfs_name *name, xfs_ino_t inum, xfs_fsblock_t *first, struct xfs_bmap_free *flist, xfs_extlen_t tot); extern int xfs_dir_lookup(struct xfs_trans *tp, struct xfs_inode *dp, - char *name, int namelen, xfs_ino_t *inum); + struct xfs_name *name, xfs_ino_t *inum); extern int xfs_dir_removename(struct xfs_trans *tp, struct xfs_inode *dp, - char *name, int namelen, xfs_ino_t ino, + struct xfs_name *name, xfs_ino_t ino, xfs_fsblock_t *first, struct xfs_bmap_free *flist, xfs_extlen_t tot); extern int xfs_dir_replace(struct xfs_trans *tp, struct xfs_inode *dp, - char *name, int namelen, xfs_ino_t inum, + struct xfs_name *name, xfs_ino_t inum, xfs_fsblock_t *first, struct xfs_bmap_free *flist, xfs_extlen_t tot); extern int xfs_dir_canenter(struct xfs_trans *tp, struct xfs_inode *dp, - char *name, int namelen); + struct xfs_name *name, uint resblks); extern int xfs_dir_ino_validate(struct xfs_mount *mp, xfs_ino_t ino); /* diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h index 77b39f6..1ed5751 100644 --- a/fs/xfs/xfs_mount.h +++ b/fs/xfs/xfs_mount.h @@ -73,7 +73,7 @@ typedef int (*xfs_send_destroy_t)(struct xfs_inode *, dm_right_t); typedef int (*xfs_send_namesp_t)(dm_eventtype_t, struct xfs_mount *, struct xfs_inode *, dm_right_t, struct xfs_inode *, dm_right_t, - char *, char *, mode_t, int, int); + const char *, const char *, mode_t, int, int); typedef int (*xfs_send_mount_t)(struct xfs_mount *, dm_right_t, char *, char *); typedef void (*xfs_send_unmount_t)(struct xfs_mount *, struct xfs_inode *, @@ -401,7 +401,7 @@ typedef struct xfs_mount { /* * Allow large block sizes to be reported to userspace programs if the - * "largeio" mount option is used. + * "largeio" mount option is used. * * If compatibility mode is specified, simply return the basic unit of caching * so that we don't get inefficient read/modify/write I/O from user apps. diff --git a/fs/xfs/xfs_rename.c b/fs/xfs/xfs_rename.c index c4d0bac..ee37189 100644 --- a/fs/xfs/xfs_rename.c +++ b/fs/xfs/xfs_rename.c @@ -83,26 +83,23 @@ int xfs_rename_skip, xfs_rename_nskip; */ STATIC int xfs_lock_for_rename( - xfs_inode_t *dp1, /* old (source) directory inode */ - xfs_inode_t *dp2, /* new (target) directory inode */ - bhv_vname_t *vname1,/* old entry name */ - bhv_vname_t *vname2,/* new entry name */ - xfs_inode_t **ipp1, /* inode of old entry */ - xfs_inode_t **ipp2, /* inode of new entry, if it + xfs_inode_t *dp1, /* in: old (source) directory inode */ + xfs_inode_t *dp2, /* in: new (target) directory inode */ + xfs_inode_t *ip1, /* in: inode of old entry */ + struct xfs_name *name2, /* in: new entry name */ + xfs_inode_t **ipp2, /* out: inode of new entry, if it already exists, NULL otherwise. */ - xfs_inode_t **i_tab,/* array of inode returned, sorted */ - int *num_inodes) /* number of inodes in array */ + xfs_inode_t **i_tab,/* out: array of inode returned, sorted */ + int *num_inodes) /* out: number of inodes in array */ { - xfs_inode_t *ip1 = VNAME_TO_INODE(vname1); - xfs_inode_t *ip2, *temp; + xfs_inode_t *ip2 = NULL; + xfs_inode_t *temp; xfs_ino_t inum1, inum2; int error; int i, j; uint lock_mode; int diff_dirs = (dp1 != dp2); - ip2 = NULL; - /* * First, find out the current inums of the entries so that we * can determine the initial locking order. We'll have to @@ -115,17 +112,15 @@ xfs_lock_for_rename( inum1 = ip1->i_ino; - /* * Unlock dp1 and lock dp2 if they are different. */ - if (diff_dirs) { xfs_iunlock_map_shared(dp1, lock_mode); lock_mode = xfs_ilock_map_shared(dp2); } - error = xfs_dir_lookup_int(dp2, lock_mode, vname2, &inum2, &ip2); + error = xfs_dir_lookup_int(dp2, lock_mode, name2, &inum2, &ip2); if (error == ENOENT) { /* target does not need to exist. */ inum2 = 0; } else if (error) { @@ -157,6 +152,7 @@ xfs_lock_for_rename( *num_inodes = 4; i_tab[3] = ip2; } + *ipp2 = i_tab[3]; /* * Sort the elements via bubble sort. (Remember, there are at @@ -194,21 +190,6 @@ xfs_lock_for_rename( xfs_lock_inodes(i_tab, *num_inodes, 0, XFS_ILOCK_SHARED); } - /* - * Set the return value. Null out any unused entries in i_tab. - */ - *ipp1 = *ipp2 = NULL; - for (i=0; i < *num_inodes; i++) { - if (i_tab[i]->i_ino == inum1) { - *ipp1 = i_tab[i]; - } - if (i_tab[i]->i_ino == inum2) { - *ipp2 = i_tab[i]; - } - } - for (;i < 4; i++) { - i_tab[i] = NULL; - } return 0; } @@ -218,12 +199,13 @@ xfs_lock_for_rename( int xfs_rename( xfs_inode_t *src_dp, - bhv_vname_t *src_vname, + struct xfs_name *src_name, + xfs_inode_t *src_ip, xfs_inode_t *target_dp, - bhv_vname_t *target_vname) + struct xfs_name *target_name) { xfs_trans_t *tp; - xfs_inode_t *src_ip, *target_ip; + xfs_inode_t *target_ip; xfs_mount_t *mp = src_dp->i_mount; int new_parent; /* moving to a new dir */ int src_is_directory; /* src_name is a directory */ @@ -237,10 +219,6 @@ xfs_rename( int spaceres; int target_link_zero = 0; int num_inodes; - char *src_name = VNAME(src_vname); - char *target_name = VNAME(target_vname); - int src_namelen = VNAMELEN(src_vname); - int target_namelen = VNAMELEN(target_vname); xfs_itrace_entry(src_dp); xfs_itrace_entry(target_dp); @@ -250,7 +228,7 @@ xfs_rename( error = XFS_SEND_NAMESP(mp, DM_EVENT_RENAME, src_dp, DM_RIGHT_NULL, target_dp, DM_RIGHT_NULL, - src_name, target_name, + src_name->name, target_name->name, 0, 0, 0); if (error) { return error; @@ -267,10 +245,8 @@ xfs_rename( * does not exist in the source directory. */ tp = NULL; - error = xfs_lock_for_rename(src_dp, target_dp, src_vname, - target_vname, &src_ip, &target_ip, inodes, - &num_inodes); - + error = xfs_lock_for_rename(src_dp, target_dp, src_ip, target_name, + &target_ip, inodes, &num_inodes); if (error) { /* * We have nothing locked, no inode references, and @@ -316,7 +292,7 @@ xfs_rename( XFS_BMAP_INIT(&free_list, &first_block); tp = xfs_trans_alloc(mp, XFS_TRANS_RENAME); cancel_flags = XFS_TRANS_RELEASE_LOG_RES; - spaceres = XFS_RENAME_SPACE_RES(mp, target_namelen); + spaceres = XFS_RENAME_SPACE_RES(mp, target_name->len); error = xfs_trans_reserve(tp, spaceres, XFS_RENAME_LOG_RES(mp), 0, XFS_TRANS_PERM_LOG_RES, XFS_RENAME_LOG_COUNT); if (error == ENOSPC) { @@ -374,9 +350,8 @@ xfs_rename( * If there's no space reservation, check the entry will * fit before actually inserting it. */ - if (spaceres == 0 && - (error = xfs_dir_canenter(tp, target_dp, target_name, - target_namelen))) + error = xfs_dir_canenter(tp, target_dp, target_name, spaceres); + if (error) goto error_return; /* * If target does not exist and the rename crosses @@ -384,8 +359,8 @@ xfs_rename( * to account for the ".." reference from the new entry. */ error = xfs_dir_createname(tp, target_dp, target_name, - target_namelen, src_ip->i_ino, - &first_block, &free_list, spaceres); + src_ip->i_ino, &first_block, + &free_list, spaceres); if (error == ENOSPC) goto error_return; if (error) @@ -424,7 +399,7 @@ xfs_rename( * name at the destination directory, remove it first. */ error = xfs_dir_replace(tp, target_dp, target_name, - target_namelen, src_ip->i_ino, + src_ip->i_ino, &first_block, &free_list, spaceres); if (error) goto abort_return; @@ -461,7 +436,8 @@ xfs_rename( * Rewrite the ".." entry to point to the new * directory. */ - error = xfs_dir_replace(tp, src_ip, "..", 2, target_dp->i_ino, + error = xfs_dir_replace(tp, src_ip, &xfs_name_dotdot, + target_dp->i_ino, &first_block, &free_list, spaceres); ASSERT(error != EEXIST); if (error) @@ -497,8 +473,8 @@ xfs_rename( goto abort_return; } - error = xfs_dir_removename(tp, src_dp, src_name, src_namelen, - src_ip->i_ino, &first_block, &free_list, spaceres); + error = xfs_dir_removename(tp, src_dp, src_name, src_ip->i_ino, + &first_block, &free_list, spaceres); if (error) goto abort_return; xfs_ichgtime(src_dp, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG); @@ -583,7 +559,7 @@ std_return: (void) XFS_SEND_NAMESP (mp, DM_EVENT_POSTRENAME, src_dp, DM_RIGHT_NULL, target_dp, DM_RIGHT_NULL, - src_name, target_name, + src_name->name, target_name->name, 0, error, 0); } return error; diff --git a/fs/xfs/xfs_types.h b/fs/xfs/xfs_types.h index 5c89be4..0f51916 100644 --- a/fs/xfs/xfs_types.h +++ b/fs/xfs/xfs_types.h @@ -160,4 +160,9 @@ typedef enum { XFS_BTNUM_MAX } xfs_btnum_t; +struct xfs_name { + const char *name; + int len; +}; + #endif /* __XFS_TYPES_H__ */ diff --git a/fs/xfs/xfs_utils.c b/fs/xfs/xfs_utils.c index 47c45ff..2b8dc7e 100644 --- a/fs/xfs/xfs_utils.c +++ b/fs/xfs/xfs_utils.c @@ -45,7 +45,7 @@ int xfs_dir_lookup_int( xfs_inode_t *dp, uint lock_mode, - bhv_vname_t *dentry, + struct xfs_name *name, xfs_ino_t *inum, xfs_inode_t **ipp) { @@ -53,7 +53,7 @@ xfs_dir_lookup_int( xfs_itrace_entry(dp); - error = xfs_dir_lookup(NULL, dp, VNAME(dentry), VNAMELEN(dentry), inum); + error = xfs_dir_lookup(NULL, dp, name, inum); if (!error) { /* * Unlock the directory. We do this because we can't diff --git a/fs/xfs/xfs_utils.h b/fs/xfs/xfs_utils.h index 701accb..175b126 100644 --- a/fs/xfs/xfs_utils.h +++ b/fs/xfs/xfs_utils.h @@ -21,8 +21,8 @@ #define IRELE(ip) VN_RELE(XFS_ITOV(ip)) #define IHOLD(ip) VN_HOLD(XFS_ITOV(ip)) -extern int xfs_dir_lookup_int(xfs_inode_t *, uint, bhv_vname_t *, xfs_ino_t *, - xfs_inode_t **); +extern int xfs_dir_lookup_int(xfs_inode_t *, uint, struct xfs_name *, + xfs_ino_t *, xfs_inode_t **); extern int xfs_truncate_file(xfs_mount_t *, xfs_inode_t *); extern int xfs_dir_ialloc(xfs_trans_t **, xfs_inode_t *, mode_t, xfs_nlink_t, xfs_dev_t, cred_t *, prid_t, int, diff --git a/fs/xfs/xfs_vnodeops.c b/fs/xfs/xfs_vnodeops.c index bc0a470..ca38fb9 100644 --- a/fs/xfs/xfs_vnodeops.c +++ b/fs/xfs/xfs_vnodeops.c @@ -1764,7 +1764,7 @@ xfs_inactive( int xfs_lookup( xfs_inode_t *dp, - bhv_vname_t *dentry, + struct xfs_name *name, xfs_inode_t **ipp) { xfs_inode_t *ip; @@ -1778,7 +1778,7 @@ xfs_lookup( return XFS_ERROR(EIO); lock_mode = xfs_ilock_map_shared(dp); - error = xfs_dir_lookup_int(dp, lock_mode, dentry, &e_inum, &ip); + error = xfs_dir_lookup_int(dp, lock_mode, name, &e_inum, &ip); if (!error) { *ipp = ip; xfs_itrace_ref(ip); @@ -1790,17 +1790,16 @@ xfs_lookup( int xfs_create( xfs_inode_t *dp, - bhv_vname_t *dentry, + struct xfs_name *name, mode_t mode, xfs_dev_t rdev, xfs_inode_t **ipp, cred_t *credp) { - char *name = VNAME(dentry); - xfs_mount_t *mp = dp->i_mount; + xfs_mount_t *mp = dp->i_mount; xfs_inode_t *ip; xfs_trans_t *tp; - int error; + int error; xfs_bmap_free_t free_list; xfs_fsblock_t first_block; boolean_t unlock_dp_on_error = B_FALSE; @@ -1810,17 +1809,14 @@ xfs_create( xfs_prid_t prid; struct xfs_dquot *udqp, *gdqp; uint resblks; - int namelen; ASSERT(!*ipp); xfs_itrace_entry(dp); - namelen = VNAMELEN(dentry); - if (DM_EVENT_ENABLED(dp, DM_EVENT_CREATE)) { error = XFS_SEND_NAMESP(mp, DM_EVENT_CREATE, dp, DM_RIGHT_NULL, NULL, - DM_RIGHT_NULL, name, NULL, + DM_RIGHT_NULL, name->name, NULL, mode, 0, 0); if (error) @@ -1852,7 +1848,7 @@ xfs_create( tp = xfs_trans_alloc(mp, XFS_TRANS_CREATE); cancel_flags = XFS_TRANS_RELEASE_LOG_RES; - resblks = XFS_CREATE_SPACE_RES(mp, namelen); + resblks = XFS_CREATE_SPACE_RES(mp, name->len); /* * Initially assume that the file does not exist and * reserve the resources for that case. If that is not @@ -1885,7 +1881,8 @@ xfs_create( if (error) goto error_return; - if (resblks == 0 && (error = xfs_dir_canenter(tp, dp, name, namelen))) + error = xfs_dir_canenter(tp, dp, name, resblks); + if (error) goto error_return; error = xfs_dir_ialloc(&tp, dp, mode, 1, rdev, credp, prid, resblks > 0, @@ -1915,7 +1912,7 @@ xfs_create( xfs_trans_ijoin(tp, dp, XFS_ILOCK_EXCL); unlock_dp_on_error = B_FALSE; - error = xfs_dir_createname(tp, dp, name, namelen, ip->i_ino, + error = xfs_dir_createname(tp, dp, name, ip->i_ino, &first_block, &free_list, resblks ? resblks - XFS_IALLOC_SPACE_RES(mp) : 0); if (error) { @@ -1976,7 +1973,7 @@ std_return: (void) XFS_SEND_NAMESP(mp, DM_EVENT_POSTCREATE, dp, DM_RIGHT_NULL, *ipp ? ip : NULL, - DM_RIGHT_NULL, name, NULL, + DM_RIGHT_NULL, name->name, NULL, mode, error, 0); } return error; @@ -2268,12 +2265,10 @@ int remove_which_error_return = 0; int xfs_remove( xfs_inode_t *dp, - bhv_vname_t *dentry) + struct xfs_name *name, + xfs_inode_t *ip) { - char *name = VNAME(dentry); xfs_mount_t *mp = dp->i_mount; - xfs_inode_t *ip = VNAME_TO_INODE(dentry); - int namelen = VNAMELEN(dentry); xfs_trans_t *tp = NULL; int error = 0; xfs_bmap_free_t free_list; @@ -2289,9 +2284,9 @@ xfs_remove( return XFS_ERROR(EIO); if (DM_EVENT_ENABLED(dp, DM_EVENT_REMOVE)) { - error = XFS_SEND_NAMESP(mp, DM_EVENT_REMOVE, dp, - DM_RIGHT_NULL, NULL, DM_RIGHT_NULL, - name, NULL, ip->i_d.di_mode, 0, 0); + error = XFS_SEND_NAMESP(mp, DM_EVENT_REMOVE, dp, DM_RIGHT_NULL, + NULL, DM_RIGHT_NULL, name->name, NULL, + ip->i_d.di_mode, 0, 0); if (error) return error; } @@ -2376,7 +2371,7 @@ xfs_remove( * Entry must exist since we did a lookup in xfs_lock_dir_and_entry. */ XFS_BMAP_INIT(&free_list, &first_block); - error = xfs_dir_removename(tp, dp, name, namelen, ip->i_ino, + error = xfs_dir_removename(tp, dp, name, ip->i_ino, &first_block, &free_list, 0); if (error) { ASSERT(error != ENOENT); @@ -2444,7 +2439,7 @@ xfs_remove( (void) XFS_SEND_NAMESP(mp, DM_EVENT_POSTREMOVE, dp, DM_RIGHT_NULL, NULL, DM_RIGHT_NULL, - name, NULL, ip->i_d.di_mode, error, 0); + name->name, NULL, ip->i_d.di_mode, error, 0); } return error; @@ -2474,7 +2469,7 @@ int xfs_link( xfs_inode_t *tdp, xfs_inode_t *sip, - bhv_vname_t *dentry) + struct xfs_name *target_name) { xfs_mount_t *mp = tdp->i_mount; xfs_trans_t *tp; @@ -2485,13 +2480,10 @@ xfs_link( int cancel_flags; int committed; int resblks; - char *target_name = VNAME(dentry); - int target_namelen; xfs_itrace_entry(tdp); xfs_itrace_entry(sip); - target_namelen = VNAMELEN(dentry); ASSERT(!S_ISDIR(sip->i_d.di_mode)); if (XFS_FORCED_SHUTDOWN(mp)) @@ -2501,7 +2493,7 @@ xfs_link( error = XFS_SEND_NAMESP(mp, DM_EVENT_LINK, tdp, DM_RIGHT_NULL, sip, DM_RIGHT_NULL, - target_name, NULL, 0, 0, 0); + target_name->name, NULL, 0, 0, 0); if (error) return error; } @@ -2516,7 +2508,7 @@ xfs_link( tp = xfs_trans_alloc(mp, XFS_TRANS_LINK); cancel_flags = XFS_TRANS_RELEASE_LOG_RES; - resblks = XFS_LINK_SPACE_RES(mp, target_namelen); + resblks = XFS_LINK_SPACE_RES(mp, target_name->len); error = xfs_trans_reserve(tp, resblks, XFS_LINK_LOG_RES(mp), 0, XFS_TRANS_PERM_LOG_RES, XFS_LINK_LOG_COUNT); if (error == ENOSPC) { @@ -2568,15 +2560,14 @@ xfs_link( goto error_return; } - if (resblks == 0 && - (error = xfs_dir_canenter(tp, tdp, target_name, target_namelen))) + error = xfs_dir_canenter(tp, tdp, target_name, resblks); + if (error) goto error_return; XFS_BMAP_INIT(&free_list, &first_block); - error = xfs_dir_createname(tp, tdp, target_name, target_namelen, - sip->i_ino, &first_block, &free_list, - resblks); + error = xfs_dir_createname(tp, tdp, target_name, sip->i_ino, + &first_block, &free_list, resblks); if (error) goto abort_return; xfs_ichgtime(tdp, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG); @@ -2612,7 +2603,7 @@ std_return: (void) XFS_SEND_NAMESP(mp, DM_EVENT_POSTLINK, tdp, DM_RIGHT_NULL, sip, DM_RIGHT_NULL, - target_name, NULL, 0, error, 0); + target_name->name, NULL, 0, error, 0); } return error; @@ -2629,13 +2620,11 @@ std_return: int xfs_mkdir( xfs_inode_t *dp, - bhv_vname_t *dentry, + struct xfs_name *dir_name, mode_t mode, xfs_inode_t **ipp, cred_t *credp) { - char *dir_name = VNAME(dentry); - int dir_namelen = VNAMELEN(dentry); xfs_mount_t *mp = dp->i_mount; xfs_inode_t *cdp; /* inode of created dir */ xfs_trans_t *tp; @@ -2659,7 +2648,7 @@ xfs_mkdir( if (DM_EVENT_ENABLED(dp, DM_EVENT_CREATE)) { error = XFS_SEND_NAMESP(mp, DM_EVENT_CREATE, dp, DM_RIGHT_NULL, NULL, - DM_RIGHT_NULL, dir_name, NULL, + DM_RIGHT_NULL, dir_name->name, NULL, mode, 0, 0); if (error) return error; @@ -2688,7 +2677,7 @@ xfs_mkdir( tp = xfs_trans_alloc(mp, XFS_TRANS_MKDIR); cancel_flags = XFS_TRANS_RELEASE_LOG_RES; - resblks = XFS_MKDIR_SPACE_RES(mp, dir_namelen); + resblks = XFS_MKDIR_SPACE_RES(mp, dir_name->len); error = xfs_trans_reserve(tp, resblks, XFS_MKDIR_LOG_RES(mp), 0, XFS_TRANS_PERM_LOG_RES, XFS_MKDIR_LOG_COUNT); if (error == ENOSPC) { @@ -2720,8 +2709,8 @@ xfs_mkdir( if (error) goto error_return; - if (resblks == 0 && - (error = xfs_dir_canenter(tp, dp, dir_name, dir_namelen))) + error = xfs_dir_canenter(tp, dp, dir_name, resblks); + if (error) goto error_return; /* * create the directory inode. @@ -2750,9 +2739,9 @@ xfs_mkdir( XFS_BMAP_INIT(&free_list, &first_block); - error = xfs_dir_createname(tp, dp, dir_name, dir_namelen, cdp->i_ino, - &first_block, &free_list, resblks ? - resblks - XFS_IALLOC_SPACE_RES(mp) : 0); + error = xfs_dir_createname(tp, dp, dir_name, cdp->i_ino, + &first_block, &free_list, resblks ? + resblks - XFS_IALLOC_SPACE_RES(mp) : 0); if (error) { ASSERT(error != ENOSPC); goto error1; @@ -2817,7 +2806,7 @@ std_return: dp, DM_RIGHT_NULL, created ? cdp : NULL, DM_RIGHT_NULL, - dir_name, NULL, + dir_name->name, NULL, mode, error, 0); } return error; @@ -2841,13 +2830,11 @@ std_return: int xfs_rmdir( xfs_inode_t *dp, - bhv_vname_t *dentry) + struct xfs_name *name, + xfs_inode_t *cdp) { bhv_vnode_t *dir_vp = XFS_ITOV(dp); - char *name = VNAME(dentry); - int namelen = VNAMELEN(dentry); xfs_mount_t *mp = dp->i_mount; - xfs_inode_t *cdp = VNAME_TO_INODE(dentry); xfs_trans_t *tp; int error; xfs_bmap_free_t free_list; @@ -2865,8 +2852,8 @@ xfs_rmdir( if (DM_EVENT_ENABLED(dp, DM_EVENT_REMOVE)) { error = XFS_SEND_NAMESP(mp, DM_EVENT_REMOVE, dp, DM_RIGHT_NULL, - NULL, DM_RIGHT_NULL, - name, NULL, cdp->i_d.di_mode, 0, 0); + NULL, DM_RIGHT_NULL, name->name, + NULL, cdp->i_d.di_mode, 0, 0); if (error) return XFS_ERROR(error); } @@ -2960,7 +2947,7 @@ xfs_rmdir( goto error_return; } - error = xfs_dir_removename(tp, dp, name, namelen, cdp->i_ino, + error = xfs_dir_removename(tp, dp, name, cdp->i_ino, &first_block, &free_list, resblks); if (error) goto error1; @@ -3040,7 +3027,7 @@ xfs_rmdir( (void) XFS_SEND_NAMESP(mp, DM_EVENT_POSTREMOVE, dp, DM_RIGHT_NULL, NULL, DM_RIGHT_NULL, - name, NULL, cdp->i_d.di_mode, + name->name, NULL, cdp->i_d.di_mode, error, 0); } return error; @@ -3058,8 +3045,8 @@ xfs_rmdir( int xfs_symlink( xfs_inode_t *dp, - bhv_vname_t *dentry, - char *target_path, + struct xfs_name *link_name, + const char *target_path, mode_t mode, xfs_inode_t **ipp, cred_t *credp) @@ -3079,15 +3066,13 @@ xfs_symlink( int nmaps; xfs_bmbt_irec_t mval[SYMLINK_MAPS]; xfs_daddr_t d; - char *cur_chunk; + const char *cur_chunk; int byte_cnt; int n; xfs_buf_t *bp; xfs_prid_t prid; struct xfs_dquot *udqp, *gdqp; uint resblks; - char *link_name = VNAME(dentry); - int link_namelen; *ipp = NULL; error = 0; @@ -3099,8 +3084,6 @@ xfs_symlink( if (XFS_FORCED_SHUTDOWN(mp)) return XFS_ERROR(EIO); - link_namelen = VNAMELEN(dentry); - /* * Check component lengths of the target path name. */ @@ -3111,7 +3094,7 @@ xfs_symlink( if (DM_EVENT_ENABLED(dp, DM_EVENT_SYMLINK)) { error = XFS_SEND_NAMESP(mp, DM_EVENT_SYMLINK, dp, DM_RIGHT_NULL, NULL, DM_RIGHT_NULL, - link_name, target_path, 0, 0, 0); + link_name->name, target_path, 0, 0, 0); if (error) return error; } @@ -3143,7 +3126,7 @@ xfs_symlink( fs_blocks = 0; else fs_blocks = XFS_B_TO_FSB(mp, pathlen); - resblks = XFS_SYMLINK_SPACE_RES(mp, link_namelen, fs_blocks); + resblks = XFS_SYMLINK_SPACE_RES(mp, link_name->len, fs_blocks); error = xfs_trans_reserve(tp, resblks, XFS_SYMLINK_LOG_RES(mp), 0, XFS_TRANS_PERM_LOG_RES, XFS_SYMLINK_LOG_COUNT); if (error == ENOSPC && fs_blocks == 0) { @@ -3177,8 +3160,8 @@ xfs_symlink( /* * Check for ability to enter directory entry, if no space reserved. */ - if (resblks == 0 && - (error = xfs_dir_canenter(tp, dp, link_name, link_namelen))) + error = xfs_dir_canenter(tp, dp, link_name, resblks); + if (error) goto error_return; /* * Initialize the bmap freelist prior to calling either @@ -3270,8 +3253,8 @@ xfs_symlink( /* * Create the directory entry for the symlink. */ - error = xfs_dir_createname(tp, dp, link_name, link_namelen, ip->i_ino, - &first_block, &free_list, resblks); + error = xfs_dir_createname(tp, dp, link_name, ip->i_ino, + &first_block, &free_list, resblks); if (error) goto error1; xfs_ichgtime(dp, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG); @@ -3315,8 +3298,8 @@ std_return: (void) XFS_SEND_NAMESP(mp, DM_EVENT_POSTSYMLINK, dp, DM_RIGHT_NULL, error ? NULL : ip, - DM_RIGHT_NULL, link_name, target_path, - 0, error, 0); + DM_RIGHT_NULL, link_name->name, + target_path, 0, error, 0); } if (!error) diff --git a/fs/xfs/xfs_vnodeops.h b/fs/xfs/xfs_vnodeops.h index 12e5818..24c5392 100644 --- a/fs/xfs/xfs_vnodeops.h +++ b/fs/xfs/xfs_vnodeops.h @@ -23,20 +23,22 @@ int xfs_fsync(struct xfs_inode *ip, int flag, xfs_off_t start, xfs_off_t stop); int xfs_release(struct xfs_inode *ip); int xfs_inactive(struct xfs_inode *ip); -int xfs_lookup(struct xfs_inode *dp, bhv_vname_t *dentry, +int xfs_lookup(struct xfs_inode *dp, struct xfs_name *name, struct xfs_inode **ipp); -int xfs_create(struct xfs_inode *dp, bhv_vname_t *dentry, mode_t mode, +int xfs_create(struct xfs_inode *dp, struct xfs_name *name, mode_t mode, xfs_dev_t rdev, struct xfs_inode **ipp, struct cred *credp); -int xfs_remove(struct xfs_inode *dp, bhv_vname_t *dentry); +int xfs_remove(struct xfs_inode *dp, struct xfs_name *name, + struct xfs_inode *ip); int xfs_link(struct xfs_inode *tdp, struct xfs_inode *sip, - bhv_vname_t *dentry); -int xfs_mkdir(struct xfs_inode *dp, bhv_vname_t *dentry, + struct xfs_name *target_name); +int xfs_mkdir(struct xfs_inode *dp, struct xfs_name *dir_name, mode_t mode, struct xfs_inode **ipp, struct cred *credp); -int xfs_rmdir(struct xfs_inode *dp, bhv_vname_t *dentry); +int xfs_rmdir(struct xfs_inode *dp, struct xfs_name *name, + struct xfs_inode *cdp); int xfs_readdir(struct xfs_inode *dp, void *dirent, size_t bufsize, xfs_off_t *offset, filldir_t filldir); -int xfs_symlink(struct xfs_inode *dp, bhv_vname_t *dentry, - char *target_path, mode_t mode, struct xfs_inode **ipp, +int xfs_symlink(struct xfs_inode *dp, struct xfs_name *link_name, + const char *target_path, mode_t mode, struct xfs_inode **ipp, struct cred *credp); int xfs_inode_flush(struct xfs_inode *ip, int flags); int xfs_set_dmattrs(struct xfs_inode *ip, u_int evmask, u_int16_t state); @@ -44,8 +46,9 @@ int xfs_reclaim(struct xfs_inode *ip); int xfs_change_file_space(struct xfs_inode *ip, int cmd, xfs_flock64_t *bf, xfs_off_t offset, struct cred *credp, int attr_flags); -int xfs_rename(struct xfs_inode *src_dp, bhv_vname_t *src_vname, - struct xfs_inode *target_dp, bhv_vname_t *target_vname); +int xfs_rename(struct xfs_inode *src_dp, struct xfs_name *src_name, + struct xfs_inode *src_ip, struct xfs_inode *target_dp, + struct xfs_name *target_name); int xfs_attr_get(struct xfs_inode *ip, const char *name, char *value, int *valuelenp, int flags, cred_t *cred); int xfs_attr_set(struct xfs_inode *dp, const char *name, char *value, |
