diff options
Diffstat (limited to 'fs/gfs2/inode.c')
-rw-r--r-- | fs/gfs2/inode.c | 75 |
1 files changed, 55 insertions, 20 deletions
diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c index 5c52418..28cc7bf 100644 --- a/fs/gfs2/inode.c +++ b/fs/gfs2/inode.c @@ -376,12 +376,11 @@ static void munge_mode_uid_gid(const struct gfs2_inode *dip, inode->i_gid = current_fsgid(); } -static int alloc_dinode(struct gfs2_inode *ip, u32 flags) +static int alloc_dinode(struct gfs2_inode *ip, u32 flags, unsigned *dblocks) { struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode); - struct gfs2_alloc_parms ap = { .target = RES_DINODE, .aflags = flags, }; + struct gfs2_alloc_parms ap = { .target = *dblocks, .aflags = flags, }; int error; - int dblocks = 1; error = gfs2_quota_lock_check(ip); if (error) @@ -391,11 +390,11 @@ static int alloc_dinode(struct gfs2_inode *ip, u32 flags) if (error) goto out_quota; - error = gfs2_trans_begin(sdp, RES_RG_BIT + RES_STATFS + RES_QUOTA, 0); + error = gfs2_trans_begin(sdp, (*dblocks * RES_RG_BIT) + RES_STATFS + RES_QUOTA, 0); if (error) goto out_ipreserv; - error = gfs2_alloc_blocks(ip, &ip->i_no_addr, &dblocks, 1, &ip->i_generation); + error = gfs2_alloc_blocks(ip, &ip->i_no_addr, dblocks, 1, &ip->i_generation); ip->i_no_formal_ino = ip->i_generation; ip->i_inode.i_ino = ip->i_no_addr; ip->i_goal = ip->i_no_addr; @@ -428,6 +427,33 @@ static void gfs2_init_dir(struct buffer_head *dibh, } /** + * gfs2_init_xattr - Initialise an xattr block for a new inode + * @ip: The inode in question + * + * This sets up an empty xattr block for a new inode, ready to + * take any ACLs, LSM xattrs, etc. + */ + +static void gfs2_init_xattr(struct gfs2_inode *ip) +{ + struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode); + struct buffer_head *bh; + struct gfs2_ea_header *ea; + + bh = gfs2_meta_new(ip->i_gl, ip->i_eattr); + gfs2_trans_add_meta(ip->i_gl, bh); + gfs2_metatype_set(bh, GFS2_METATYPE_EA, GFS2_FORMAT_EA); + gfs2_buffer_clear_tail(bh, sizeof(struct gfs2_meta_header)); + + ea = GFS2_EA_BH2FIRST(bh); + ea->ea_rec_len = cpu_to_be32(sdp->sd_jbsize); + ea->ea_type = GFS2_EATYPE_UNUSED; + ea->ea_flags = GFS2_EAFLAG_LAST; + + brelse(bh); +} + +/** * init_dinode - Fill in a new dinode structure * @dip: The directory this inode is being created in * @ip: The inode @@ -545,13 +571,6 @@ static int gfs2_initxattrs(struct inode *inode, const struct xattr *xattr_array, return err; } -static int gfs2_security_init(struct gfs2_inode *dip, struct gfs2_inode *ip, - const struct qstr *qstr) -{ - return security_inode_init_security(&ip->i_inode, &dip->i_inode, qstr, - &gfs2_initxattrs, NULL); -} - /** * gfs2_create_inode - Create a new inode * @dir: The parent directory @@ -578,8 +597,9 @@ static int gfs2_create_inode(struct inode *dir, struct dentry *dentry, struct gfs2_sbd *sdp = GFS2_SB(&dip->i_inode); struct gfs2_glock *io_gl; struct dentry *d; - int error; + int error, free_vfs_inode = 0; u32 aflags = 0; + unsigned blocks = 1; struct gfs2_diradd da = { .bh = NULL, }; if (!name->len || name->len > GFS2_FNAMESIZE) @@ -676,10 +696,15 @@ static int gfs2_create_inode(struct inode *dir, struct dentry *dentry, (dip->i_diskflags & GFS2_DIF_TOPDIR)) aflags |= GFS2_AF_ORLOV; - error = alloc_dinode(ip, aflags); + if (default_acl || acl) + blocks++; + + error = alloc_dinode(ip, aflags, &blocks); if (error) goto fail_free_inode; + gfs2_set_inode_blocks(inode, blocks); + error = gfs2_glock_get(sdp, ip->i_no_addr, &gfs2_inode_glops, CREATE, &ip->i_gl); if (error) goto fail_free_inode; @@ -689,10 +714,14 @@ static int gfs2_create_inode(struct inode *dir, struct dentry *dentry, if (error) goto fail_free_inode; - error = gfs2_trans_begin(sdp, RES_DINODE, 0); + error = gfs2_trans_begin(sdp, blocks, 0); if (error) goto fail_gunlock2; + if (blocks > 1) { + ip->i_eattr = ip->i_no_addr + 1; + gfs2_init_xattr(ip); + } init_dinode(dip, ip, symname); gfs2_trans_end(sdp); @@ -722,7 +751,8 @@ static int gfs2_create_inode(struct inode *dir, struct dentry *dentry, if (error) goto fail_gunlock3; - error = gfs2_security_init(dip, ip, name); + error = security_inode_init_security(&ip->i_inode, &dip->i_inode, name, + &gfs2_initxattrs, NULL); if (error) goto fail_gunlock3; @@ -758,15 +788,16 @@ fail_free_acls: if (acl) posix_acl_release(acl); fail_free_vfs_inode: - free_inode_nonrcu(inode); - inode = NULL; + free_vfs_inode = 1; fail_gunlock: gfs2_dir_no_add(&da); gfs2_glock_dq_uninit(ghs); if (inode && !IS_ERR(inode)) { clear_nlink(inode); - mark_inode_dirty(inode); - set_bit(GIF_ALLOC_FAILED, &GFS2_I(inode)->i_flags); + if (!free_vfs_inode) + mark_inode_dirty(inode); + set_bit(free_vfs_inode ? GIF_FREE_VFS_INODE : GIF_ALLOC_FAILED, + &GFS2_I(inode)->i_flags); iput(inode); } fail: @@ -1263,6 +1294,10 @@ static int gfs2_ok_to_move(struct gfs2_inode *this, struct gfs2_inode *to) } tmp = gfs2_lookupi(dir, &gfs2_qdotdot, 1); + if (!tmp) { + error = -ENOENT; + break; + } if (IS_ERR(tmp)) { error = PTR_ERR(tmp); break; |