Merge git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-3.0-nmw

* git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-3.0-nmw:
  GFS2: local functions should be static
  GFS2: We only need one ACL getting function
  GFS2: Fix multi-block allocation
  GFS2: decouple quota allocations from block allocations
  GFS2: split function rgblk_search
  GFS2: Fix up "off by one" in the previous patch
  GFS2: move toward a generic multi-block allocator
  GFS2: O_(D)SYNC support for fallocate
  GFS2: remove vestigial al_alloced
  GFS2: combine gfs2_alloc_block and gfs2_alloc_di
  GFS2: Add non-try locks back to get_local_rgrp
  GFS2: f_ra is always valid in dir readahead function
  GFS2: Fix very unlikley memory leak in ACL xattr code
  GFS2: More automated code analysis fixes
  GFS2: Add readahead to sequential directory traversal
  GFS2: Fix up REQ flags

1 files changed, 37 insertions, 35 deletions

diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c
index 4b0e59e0a24..017960cf1d7 100644
--- a/fs/gfs2/inode.c
+++ b/fs/gfs2/inode.c
@@ -389,12 +389,13 @@ static int alloc_dinode(struct gfs2_inode *dip, u64 *no_addr, u64 *generation)
 {
 	struct gfs2_sbd *sdp = GFS2_SB(&dip->i_inode);
 	int error;
+	int dblocks = 1;
 
-	if (gfs2_alloc_get(dip) == NULL)
-		return -ENOMEM;
+	error = gfs2_rindex_update(sdp);
+	if (error)
+		fs_warn(sdp, "rindex update returns %d\n", error);
 
-	dip->i_alloc->al_requested = RES_DINODE;
-	error = gfs2_inplace_reserve(dip);
+	error = gfs2_inplace_reserve(dip, RES_DINODE);
 	if (error)
 		goto out;
 
@@ -402,14 +403,13 @@ static int alloc_dinode(struct gfs2_inode *dip, u64 *no_addr, u64 *generation)
 	if (error)
 		goto out_ipreserv;
 
-	error = gfs2_alloc_di(dip, no_addr, generation);
+	error = gfs2_alloc_blocks(dip, no_addr, &dblocks, 1, generation);
 
 	gfs2_trans_end(sdp);
 
 out_ipreserv:
 	gfs2_inplace_release(dip);
 out:
-	gfs2_alloc_put(dip);
 	return error;
 }
 
@@ -525,7 +525,7 @@ static int make_dinode(struct gfs2_inode *dip, struct gfs2_glock *gl,
 	int error;
 
 	munge_mode_uid_gid(dip, &mode, &uid, &gid);
-	if (!gfs2_alloc_get(dip))
+	if (!gfs2_qadata_get(dip))
 		return -ENOMEM;
 
 	error = gfs2_quota_lock(dip, uid, gid);
@@ -547,7 +547,7 @@ static int make_dinode(struct gfs2_inode *dip, struct gfs2_glock *gl,
 out_quota:
 	gfs2_quota_unlock(dip);
 out:
-	gfs2_alloc_put(dip);
+	gfs2_qadata_put(dip);
 	return error;
 }
 
@@ -555,13 +555,13 @@ static int link_dinode(struct gfs2_inode *dip, const struct qstr *name,
 		       struct gfs2_inode *ip)
 {
 	struct gfs2_sbd *sdp = GFS2_SB(&dip->i_inode);
-	struct gfs2_alloc *al;
+	struct gfs2_qadata *qa;
 	int alloc_required;
 	struct buffer_head *dibh;
 	int error;
 
-	al = gfs2_alloc_get(dip);
-	if (!al)
+	qa = gfs2_qadata_get(dip);
+	if (!qa)
 		return -ENOMEM;
 
 	error = gfs2_quota_lock(dip, NO_QUOTA_CHANGE, NO_QUOTA_CHANGE);
@@ -576,9 +576,7 @@ static int link_dinode(struct gfs2_inode *dip, const struct qstr *name,
 		if (error)
 			goto fail_quota_locks;
 
-		al->al_requested = sdp->sd_max_dirres;
-
-		error = gfs2_inplace_reserve(dip);
+		error = gfs2_inplace_reserve(dip, sdp->sd_max_dirres);
 		if (error)
 			goto fail_quota_locks;
 
@@ -619,11 +617,11 @@ fail_quota_locks:
 	gfs2_quota_unlock(dip);
 
 fail:
-	gfs2_alloc_put(dip);
+	gfs2_qadata_put(dip);
 	return error;
 }
 
-int gfs2_initxattrs(struct inode *inode, const struct xattr *xattr_array,
+static int gfs2_initxattrs(struct inode *inode, const struct xattr *xattr_array,
 		    void *fs_info)
 {
 	const struct xattr *xattr;
@@ -728,9 +726,12 @@ static int gfs2_create_inode(struct inode *dir, struct dentry *dentry,
 		brelse(bh);
 
 	gfs2_trans_end(sdp);
-	gfs2_inplace_release(dip);
+	/* Check if we reserved space in the rgrp. Function link_dinode may
+	   not, depending on whether alloc is required. */
+	if (dip->i_res)
+		gfs2_inplace_release(dip);
 	gfs2_quota_unlock(dip);
-	gfs2_alloc_put(dip);
+	gfs2_qadata_put(dip);
 	mark_inode_dirty(inode);
 	gfs2_glock_dq_uninit_m(2, ghs);
 	d_instantiate(dentry, inode);
@@ -875,8 +876,9 @@ static int gfs2_link(struct dentry *old_dentry, struct inode *dir,
 	error = 0;
 
 	if (alloc_required) {
-		struct gfs2_alloc *al = gfs2_alloc_get(dip);
-		if (!al) {
+		struct gfs2_qadata *qa = gfs2_qadata_get(dip);
+
+		if (!qa) {
 			error = -ENOMEM;
 			goto out_gunlock;
 		}
@@ -885,9 +887,7 @@ static int gfs2_link(struct dentry *old_dentry, struct inode *dir,
 		if (error)
 			goto out_alloc;
 
-		al->al_requested = sdp->sd_max_dirres;
-
-		error = gfs2_inplace_reserve(dip);
+		error = gfs2_inplace_reserve(dip, sdp->sd_max_dirres);
 		if (error)
 			goto out_gunlock_q;
 
@@ -930,7 +930,7 @@ out_gunlock_q:
 		gfs2_quota_unlock(dip);
 out_alloc:
 	if (alloc_required)
-		gfs2_alloc_put(dip);
+		gfs2_qadata_put(dip);
 out_gunlock:
 	gfs2_glock_dq(ghs + 1);
 out_child:
@@ -1037,12 +1037,14 @@ static int gfs2_unlink(struct inode *dir, struct dentry *dentry)
 	struct buffer_head *bh;
 	struct gfs2_holder ghs[3];
 	struct gfs2_rgrpd *rgd;
-	int error;
+	int error = -EROFS;
 
 	gfs2_holder_init(dip->i_gl, LM_ST_EXCLUSIVE, 0, ghs);
 	gfs2_holder_init(ip->i_gl,  LM_ST_EXCLUSIVE, 0, ghs + 1);
 
 	rgd = gfs2_blk2rgrpd(sdp, ip->i_no_addr);
+	if (!rgd)
+		goto out_inodes;
 	gfs2_holder_init(rgd->rd_gl, LM_ST_EXCLUSIVE, 0, ghs + 2);
 
 
@@ -1088,12 +1090,13 @@ out_end_trans:
 out_gunlock:
 	gfs2_glock_dq(ghs + 2);
 out_rgrp:
-	gfs2_holder_uninit(ghs + 2);
 	gfs2_glock_dq(ghs + 1);
 out_child:
-	gfs2_holder_uninit(ghs + 1);
 	gfs2_glock_dq(ghs);
 out_parent:
+	gfs2_holder_uninit(ghs + 2);
+out_inodes:
+	gfs2_holder_uninit(ghs + 1);
 	gfs2_holder_uninit(ghs);
 	return error;
 }
@@ -1350,8 +1353,9 @@ static int gfs2_rename(struct inode *odir, struct dentry *odentry,
 	error = 0;
 
 	if (alloc_required) {
-		struct gfs2_alloc *al = gfs2_alloc_get(ndip);
-		if (!al) {
+		struct gfs2_qadata *qa = gfs2_qadata_get(ndip);
+
+		if (!qa) {
 			error = -ENOMEM;
 			goto out_gunlock;
 		}
@@ -1360,9 +1364,7 @@ static int gfs2_rename(struct inode *odir, struct dentry *odentry,
 		if (error)
 			goto out_alloc;
 
-		al->al_requested = sdp->sd_max_dirres;
-
-		error = gfs2_inplace_reserve(ndip);
+		error = gfs2_inplace_reserve(ndip, sdp->sd_max_dirres);
 		if (error)
 			goto out_gunlock_q;
 
@@ -1423,7 +1425,7 @@ out_gunlock_q:
 		gfs2_quota_unlock(ndip);
 out_alloc:
 	if (alloc_required)
-		gfs2_alloc_put(ndip);
+		gfs2_qadata_put(ndip);
 out_gunlock:
 	while (x--) {
 		gfs2_glock_dq(ghs + x);
@@ -1584,7 +1586,7 @@ static int setattr_chown(struct inode *inode, struct iattr *attr)
 	if (!(attr->ia_valid & ATTR_GID) || ogid == ngid)
 		ogid = ngid = NO_QUOTA_CHANGE;
 
-	if (!gfs2_alloc_get(ip))
+	if (!gfs2_qadata_get(ip))
 		return -ENOMEM;
 
 	error = gfs2_quota_lock(ip, nuid, ngid);
@@ -1616,7 +1618,7 @@ out_end_trans:
 out_gunlock_q:
 	gfs2_quota_unlock(ip);
 out_alloc:
-	gfs2_alloc_put(ip);
+	gfs2_qadata_put(ip);
 	return error;
 }