1 files changed, 109 insertions, 100 deletions

diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c
index 381893ceefa4..2b6f5698ef18 100644
--- a/fs/gfs2/inode.c
+++ b/fs/gfs2/inode.c
@@ -364,34 +364,34 @@ static int create_ok(struct gfs2_inode *dip, const struct qstr *name,
         return 0;
 }
 
-static void munge_mode_uid_gid(struct gfs2_inode *dip, umode_t *mode,
-                               unsigned int *uid, unsigned int *gid)
+static void munge_mode_uid_gid(const struct gfs2_inode *dip,
+                               struct inode *inode)
 {
         if (GFS2_SB(&dip->i_inode)->sd_args.ar_suiddir &&
             (dip->i_inode.i_mode & S_ISUID) && dip->i_inode.i_uid) {
-                if (S_ISDIR(*mode))
-                        *mode |= S_ISUID;
+                if (S_ISDIR(inode->i_mode))
+                        inode->i_mode |= S_ISUID;
                 else if (dip->i_inode.i_uid != current_fsuid())
-                        *mode &= ~07111;
-                *uid = dip->i_inode.i_uid;
+                        inode->i_mode &= ~07111;
+                inode->i_uid = dip->i_inode.i_uid;
         } else
-                *uid = current_fsuid();
+                inode->i_uid = current_fsuid();
 
         if (dip->i_inode.i_mode & S_ISGID) {
-                if (S_ISDIR(*mode))
-                        *mode |= S_ISGID;
-                *gid = dip->i_inode.i_gid;
+                if (S_ISDIR(inode->i_mode))
+                        inode->i_mode |= S_ISGID;
+                inode->i_gid = dip->i_inode.i_gid;
         } else
-                *gid = current_fsgid();
+                inode->i_gid = current_fsgid();
 }
 
-static int alloc_dinode(struct gfs2_inode *dip, u64 *no_addr, u64 *generation)
+static int alloc_dinode(struct gfs2_inode *ip, u32 flags)
 {
-        struct gfs2_sbd *sdp = GFS2_SB(&dip->i_inode);
+        struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode);
         int error;
         int dblocks = 1;
 
-        error = gfs2_inplace_reserve(dip, RES_DINODE);
+        error = gfs2_inplace_reserve(ip, RES_DINODE, flags);
         if (error)
                 goto out;
 
@@ -399,12 +399,15 @@ static int alloc_dinode(struct gfs2_inode *dip, u64 *no_addr, u64 *generation)
         if (error)
                 goto out_ipreserv;
 
-        error = gfs2_alloc_blocks(dip, no_addr, &dblocks, 1, 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;
 
         gfs2_trans_end(sdp);
 
 out_ipreserv:
-        gfs2_inplace_release(dip);
+        gfs2_inplace_release(ip);
 out:
         return error;
 }
@@ -429,52 +432,42 @@ static void gfs2_init_dir(struct buffer_head *dibh,
 /**
  * init_dinode - Fill in a new dinode structure
  * @dip: The directory this inode is being created in
- * @gl: The glock covering the new inode
- * @inum: The inode number
- * @mode: The file permissions
- * @uid: The uid of the new inode
- * @gid: The gid of the new inode
- * @generation: The generation number of the new inode
- * @dev: The device number (if a device node)
+ * @ip: The inode
  * @symname: The symlink destination (if a symlink)
- * @size: The inode size (ignored for directories)
  * @bhp: The buffer head (returned to caller)
  *
  */
 
-static void init_dinode(struct gfs2_inode *dip, struct gfs2_glock *gl,
-                        const struct gfs2_inum_host *inum, umode_t mode,
-                        unsigned int uid, unsigned int gid,
-                        const u64 *generation, dev_t dev, const char *symname,
-                        unsigned size, struct buffer_head **bhp)
+static void init_dinode(struct gfs2_inode *dip, struct gfs2_inode *ip,
+                        const char *symname, struct buffer_head **bhp)
 {
         struct gfs2_sbd *sdp = GFS2_SB(&dip->i_inode);
         struct gfs2_dinode *di;
         struct buffer_head *dibh;
         struct timespec tv = CURRENT_TIME;
 
-        dibh = gfs2_meta_new(gl, inum->no_addr);
-        gfs2_trans_add_bh(gl, dibh, 1);
+        dibh = gfs2_meta_new(ip->i_gl, ip->i_no_addr);
+        gfs2_trans_add_bh(ip->i_gl, dibh, 1);
         gfs2_metatype_set(dibh, GFS2_METATYPE_DI, GFS2_FORMAT_DI);
         gfs2_buffer_clear_tail(dibh, sizeof(struct gfs2_dinode));
         di = (struct gfs2_dinode *)dibh->b_data;
 
-        di->di_num.no_formal_ino = cpu_to_be64(inum->no_formal_ino);
-        di->di_num.no_addr = cpu_to_be64(inum->no_addr);
-        di->di_mode = cpu_to_be32(mode);
-        di->di_uid = cpu_to_be32(uid);
-        di->di_gid = cpu_to_be32(gid);
+        di->di_num.no_formal_ino = cpu_to_be64(ip->i_no_formal_ino);
+        di->di_num.no_addr = cpu_to_be64(ip->i_no_addr);
+        di->di_mode = cpu_to_be32(ip->i_inode.i_mode);
+        di->di_uid = cpu_to_be32(ip->i_inode.i_uid);
+        di->di_gid = cpu_to_be32(ip->i_inode.i_gid);
         di->di_nlink = 0;
-        di->di_size = cpu_to_be64(size);
+        di->di_size = cpu_to_be64(ip->i_inode.i_size);
         di->di_blocks = cpu_to_be64(1);
         di->di_atime = di->di_mtime = di->di_ctime = cpu_to_be64(tv.tv_sec);
-        di->di_major = cpu_to_be32(MAJOR(dev));
-        di->di_minor = cpu_to_be32(MINOR(dev));
-        di->di_goal_meta = di->di_goal_data = cpu_to_be64(inum->no_addr);
-        di->di_generation = cpu_to_be64(*generation);
+        di->di_major = cpu_to_be32(MAJOR(ip->i_inode.i_rdev));
+        di->di_minor = cpu_to_be32(MINOR(ip->i_inode.i_rdev));
+        di->di_goal_meta = di->di_goal_data = cpu_to_be64(ip->i_no_addr);
+        di->di_generation = cpu_to_be64(ip->i_generation);
         di->di_flags = 0;
         di->__pad1 = 0;
-        di->di_payload_format = cpu_to_be32(S_ISDIR(mode) ? GFS2_FORMAT_DE : 0);
+        di->di_payload_format = cpu_to_be32(S_ISDIR(ip->i_inode.i_mode) ? GFS2_FORMAT_DE : 0);
         di->di_height = 0;
         di->__pad2 = 0;
         di->__pad3 = 0;
@@ -487,7 +480,7 @@ static void init_dinode(struct gfs2_inode *dip, struct gfs2_glock *gl,
         di->di_ctime_nsec = cpu_to_be32(tv.tv_nsec);
         memset(&di->di_reserved, 0, sizeof(di->di_reserved));
 
-        switch(mode & S_IFMT) { 
+        switch(ip->i_inode.i_mode & S_IFMT) {
         case S_IFREG:
                 if ((dip->i_diskflags & GFS2_DIF_INHERIT_JDATA) ||
                     gfs2_tune_get(sdp, gt_new_files_jdata))
@@ -502,7 +495,7 @@ static void init_dinode(struct gfs2_inode *dip, struct gfs2_glock *gl,
                 gfs2_init_dir(dibh, dip);
                 break;
         case S_IFLNK:
-                memcpy(dibh->b_data + sizeof(struct gfs2_dinode), symname, size);
+                memcpy(dibh->b_data + sizeof(struct gfs2_dinode), symname, ip->i_inode.i_size);
                 break;
         }
 
@@ -511,25 +504,22 @@ static void init_dinode(struct gfs2_inode *dip, struct gfs2_glock *gl,
         *bhp = dibh;
 }
 
-static int make_dinode(struct gfs2_inode *dip, struct gfs2_glock *gl,
-                       umode_t mode, const struct gfs2_inum_host *inum,
-                       const u64 *generation, dev_t dev, const char *symname,
-                       unsigned int size, struct buffer_head **bhp)
+static int make_dinode(struct gfs2_inode *dip, struct gfs2_inode *ip,
+                       const char *symname, struct buffer_head **bhp)
 {
+        struct inode *inode = &ip->i_inode;
         struct gfs2_sbd *sdp = GFS2_SB(&dip->i_inode);
-        unsigned int uid, gid;
         int error;
 
-        munge_mode_uid_gid(dip, &mode, &uid, &gid);
         error = gfs2_rindex_update(sdp);
         if (error)
                 return error;
 
-        error = gfs2_quota_lock(dip, uid, gid);
+        error = gfs2_quota_lock(dip, inode->i_uid, inode->i_gid);
         if (error)
                 return error;
 
-        error = gfs2_quota_check(dip, uid, gid);
+        error = gfs2_quota_check(dip, inode->i_uid, inode->i_gid);
         if (error)
                 goto out_quota;
 
@@ -537,8 +527,8 @@ static int make_dinode(struct gfs2_inode *dip, struct gfs2_glock *gl,
         if (error)
                 goto out_quota;
 
-        init_dinode(dip, gl, inum, mode, uid, gid, generation, dev, symname, size, bhp);
-        gfs2_quota_change(dip, +1, uid, gid);
+        init_dinode(dip, ip, symname, bhp);
+        gfs2_quota_change(dip, +1, inode->i_uid, inode->i_gid);
         gfs2_trans_end(sdp);
 
 out_quota:
@@ -570,7 +560,7 @@ static int link_dinode(struct gfs2_inode *dip, const struct qstr *name,
                 if (error)
                         goto fail_quota_locks;
 
-                error = gfs2_inplace_reserve(dip, sdp->sd_max_dirres);
+                error = gfs2_inplace_reserve(dip, sdp->sd_max_dirres, 0);
                 if (error)
                         goto fail_quota_locks;
 
@@ -657,19 +647,14 @@ static int gfs2_create_inode(struct inode *dir, struct dentry *dentry,
         struct inode *inode = NULL;
         struct gfs2_inode *dip = GFS2_I(dir), *ip;
         struct gfs2_sbd *sdp = GFS2_SB(&dip->i_inode);
-        struct gfs2_inum_host inum = { .no_addr = 0, .no_formal_ino = 0 };
+        struct gfs2_glock *io_gl;
         int error;
-        u64 generation;
         struct buffer_head *bh = NULL;
+        u32 aflags = 0;
 
         if (!name->len || name->len > GFS2_FNAMESIZE)
                 return -ENAMETOOLONG;
 
-        /* We need a reservation to allocate the new dinode block. The
-           directory ip temporarily points to the reservation, but this is
-           being done to get a set of contiguous blocks for the new dinode.
-           Since this is a create, we don't have a sizehint yet, so it will
-           have to use the minimum reservation size. */
         error = gfs2_rs_alloc(dip);
         if (error)
                 return error;
@@ -688,45 +673,72 @@ static int gfs2_create_inode(struct inode *dir, struct dentry *dentry,
         if (error)
                 goto fail_gunlock;
 
-        error = alloc_dinode(dip, &inum.no_addr, &generation);
+        inode = new_inode(sdp->sd_vfs);
+        if (!inode) {
+                gfs2_glock_dq_uninit(ghs);
+                return -ENOMEM;
+        }
+        ip = GFS2_I(inode);
+        error = gfs2_rs_alloc(ip);
         if (error)
-                goto fail_gunlock;
-        inum.no_formal_ino = generation;
+                goto fail_free_inode;
+
+        set_bit(GIF_INVALID, &ip->i_flags);
+        inode->i_mode = mode;
+        inode->i_rdev = dev;
+        inode->i_size = size;
+        munge_mode_uid_gid(dip, inode);
+        ip->i_goal = dip->i_goal;
 
-        error = gfs2_glock_nq_num(sdp, inum.no_addr, &gfs2_inode_glops,
-                                  LM_ST_EXCLUSIVE, GL_SKIP, ghs + 1);
+        if ((GFS2_I(sdp->sd_root_dir->d_inode) == dip) ||
+            (dip->i_diskflags & GFS2_DIF_TOPDIR))
+                aflags |= GFS2_AF_ORLOV;
+
+        error = alloc_dinode(ip, aflags);
         if (error)
-                goto fail_gunlock;
+                goto fail_free_inode;
 
-        error = make_dinode(dip, ghs[1].gh_gl, mode, &inum, &generation, dev, symname, size, &bh);
+        error = gfs2_glock_get(sdp, ip->i_no_addr, &gfs2_inode_glops, CREATE, &ip->i_gl);
         if (error)
-                goto fail_gunlock2;
+                goto fail_free_inode;
 
-        inode = gfs2_inode_lookup(dir->i_sb, IF2DT(mode), inum.no_addr,
-                                  inum.no_formal_ino, 0);
-        if (IS_ERR(inode))
+        ip->i_gl->gl_object = ip;
+        error = gfs2_glock_nq_init(ip->i_gl, LM_ST_EXCLUSIVE, GL_SKIP, ghs + 1);
+        if (error)
+                goto fail_free_inode;
+
+        error = make_dinode(dip, ip, symname, &bh);
+        if (error)
                 goto fail_gunlock2;
 
-        ip = GFS2_I(inode);
-        error = gfs2_inode_refresh(ip);
+        error = gfs2_glock_get(sdp, ip->i_no_addr, &gfs2_iopen_glops, CREATE, &io_gl);
         if (error)
                 goto fail_gunlock2;
 
-        error = gfs2_rs_alloc(ip);
+        error = gfs2_glock_nq_init(io_gl, LM_ST_SHARED, GL_EXACT, &ip->i_iopen_gh);
         if (error)
                 goto fail_gunlock2;
 
+        ip->i_iopen_gh.gh_gl->gl_object = ip;
+        gfs2_glock_put(io_gl);
+        gfs2_set_iop(inode);
+        insert_inode_hash(inode);
+
+        error = gfs2_inode_refresh(ip);
+        if (error)
+                goto fail_gunlock3;
+
         error = gfs2_acl_create(dip, inode);
         if (error)
-                goto fail_gunlock2;
+                goto fail_gunlock3;
 
         error = gfs2_security_init(dip, ip, name);
         if (error)
-                goto fail_gunlock2;
+                goto fail_gunlock3;
 
         error = link_dinode(dip, name, ip);
         if (error)
-                goto fail_gunlock2;
+                goto fail_gunlock3;
 
         if (bh)
                 brelse(bh);
@@ -739,8 +751,20 @@ static int gfs2_create_inode(struct inode *dir, struct dentry *dentry,
         d_instantiate(dentry, inode);
         return 0;
 
+fail_gunlock3:
+        gfs2_glock_dq_uninit(ghs + 1);
+        if (ip->i_gl)
+                gfs2_glock_put(ip->i_gl);
+        goto fail_gunlock;
+
 fail_gunlock2:
         gfs2_glock_dq_uninit(ghs + 1);
+fail_free_inode:
+        if (ip->i_gl)
+                gfs2_glock_put(ip->i_gl);
+        gfs2_rs_delete(ip);
+        free_inode_nonrcu(inode);
+        inode = NULL;
 fail_gunlock:
         gfs2_glock_dq_uninit(ghs);
         if (inode && !IS_ERR(inode)) {
@@ -748,7 +772,6 @@ fail_gunlock:
                 iput(inode);
         }
 fail:
-        gfs2_rs_delete(dip);
         if (bh)
                 brelse(bh);
         return error;
@@ -884,7 +907,7 @@ static int gfs2_link(struct dentry *old_dentry, struct inode *dir,
                 if (error)
                         goto out_gunlock;
 
-                error = gfs2_inplace_reserve(dip, sdp->sd_max_dirres);
+                error = gfs2_inplace_reserve(dip, sdp->sd_max_dirres, 0);
                 if (error)
                         goto out_gunlock_q;
 
@@ -977,7 +1000,6 @@ static int gfs2_unlink_ok(struct gfs2_inode *dip, const struct qstr *name,
  * gfs2_unlink_inode - Removes an inode from its parent dir and unlinks it
  * @dip: The parent directory
  * @name: The name of the entry in the parent directory
- * @bh: The inode buffer for the inode to be removed
  * @inode: The inode to be removed
  *
  * Called with all the locks and in a transaction. This will only be
@@ -987,8 +1009,7 @@ static int gfs2_unlink_ok(struct gfs2_inode *dip, const struct qstr *name,
  */
 
 static int gfs2_unlink_inode(struct gfs2_inode *dip,
-                             const struct dentry *dentry,
-                             struct buffer_head *bh)
+                             const struct dentry *dentry)
 {
         struct inode *inode = dentry->d_inode;
         struct gfs2_inode *ip = GFS2_I(inode);
@@ -1028,7 +1049,6 @@ static int gfs2_unlink(struct inode *dir, struct dentry *dentry)
         struct gfs2_sbd *sdp = GFS2_SB(dir);
         struct inode *inode = dentry->d_inode;
         struct gfs2_inode *ip = GFS2_I(inode);
-        struct buffer_head *bh;
         struct gfs2_holder ghs[3];
         struct gfs2_rgrpd *rgd;
         int error;
@@ -1077,14 +1097,9 @@ static int gfs2_unlink(struct inode *dir, struct dentry *dentry)
 
         error = gfs2_trans_begin(sdp, 2*RES_DINODE + 3*RES_LEAF + RES_RG_BIT, 0);
         if (error)
-                goto out_gunlock;
-
-        error = gfs2_meta_inode_buffer(ip, &bh);
-        if (error)
                 goto out_end_trans;
 
-        error = gfs2_unlink_inode(dip, dentry, bh);
-        brelse(bh);
+        error = gfs2_unlink_inode(dip, dentry);
 
 out_end_trans:
         gfs2_trans_end(sdp);
@@ -1365,7 +1380,7 @@ static int gfs2_rename(struct inode *odir, struct dentry *odentry,
                 if (error)
                         goto out_gunlock;
 
-                error = gfs2_inplace_reserve(ndip, sdp->sd_max_dirres);
+                error = gfs2_inplace_reserve(ndip, sdp->sd_max_dirres, 0);
                 if (error)
                         goto out_gunlock_q;
 
@@ -1384,14 +1399,8 @@ static int gfs2_rename(struct inode *odir, struct dentry *odentry,
 
         /* Remove the target file, if it exists */
 
-        if (nip) {
-                struct buffer_head *bh;
-                error = gfs2_meta_inode_buffer(nip, &bh);
-                if (error)
-                        goto out_end_trans;
-                error = gfs2_unlink_inode(ndip, ndentry, bh);
-                brelse(bh);
-        }
+        if (nip)
+                error = gfs2_unlink_inode(ndip, ndentry);
 
         if (dir_rename) {
                 error = gfs2_dir_mvino(ip, &gfs2_qdotdot, ndip, DT_DIR);