Linux-libre 4.7.1-gnupck-4.7.1-gnu

15 files changed, 187 insertions, 144 deletions

diff --git a/fs/gfs2/acl.c b/fs/gfs2/acl.c
index 791932617..363ba9e9d 100644
--- a/fs/gfs2/acl.c
+++ b/fs/gfs2/acl.c
@@ -24,6 +24,7 @@
 #include "glock.h"
 #include "inode.h"
 #include "meta_io.h"
+#include "rgrp.h"
 #include "trans.h"
 #include "util.h"
 
@@ -38,7 +39,7 @@ static const char *gfs2_acl_name(int type)
 	return NULL;
 }
 
-struct posix_acl *gfs2_get_acl(struct inode *inode, int type)
+static struct posix_acl *__gfs2_get_acl(struct inode *inode, int type)
 {
 	struct gfs2_inode *ip = GFS2_I(inode);
 	struct posix_acl *acl;
@@ -50,29 +51,41 @@ struct posix_acl *gfs2_get_acl(struct inode *inode, int type)
 		return NULL;
 
 	name = gfs2_acl_name(type);
-	if (name == NULL)
-		return ERR_PTR(-EINVAL);
-
 	len = gfs2_xattr_acl_get(ip, name, &data);
-	if (len < 0)
+	if (len <= 0)
 		return ERR_PTR(len);
-	if (len == 0)
-		return NULL;
-
 	acl = posix_acl_from_xattr(&init_user_ns, data, len);
 	kfree(data);
 	return acl;
 }
 
-int gfs2_set_acl(struct inode *inode, struct posix_acl *acl, int type)
+struct posix_acl *gfs2_get_acl(struct inode *inode, int type)
+{
+	struct gfs2_inode *ip = GFS2_I(inode);
+	struct gfs2_holder gh;
+	bool need_unlock = false;
+	struct posix_acl *acl;
+
+	if (!gfs2_glock_is_locked_by_me(ip->i_gl)) {
+		int ret = gfs2_glock_nq_init(ip->i_gl, LM_ST_SHARED,
+					     LM_FLAG_ANY, &gh);
+		if (ret)
+			return ERR_PTR(ret);
+		need_unlock = true;
+	}
+	acl = __gfs2_get_acl(inode, type);
+	if (need_unlock)
+		gfs2_glock_dq_uninit(&gh);
+	return acl;
+}
+
+int __gfs2_set_acl(struct inode *inode, struct posix_acl *acl, int type)
 {
 	int error;
 	int len;
 	char *data;
 	const char *name = gfs2_acl_name(type);
 
-	BUG_ON(name == NULL);
-
 	if (acl && acl->a_count > GFS2_ACL_MAX_ENTRIES(GFS2_SB(inode)))
 		return -E2BIG;
 
@@ -115,3 +128,26 @@ out:
 	kfree(data);
 	return error;
 }
+
+int gfs2_set_acl(struct inode *inode, struct posix_acl *acl, int type)
+{
+	struct gfs2_inode *ip = GFS2_I(inode);
+	struct gfs2_holder gh;
+	bool need_unlock = false;
+	int ret;
+
+	ret = gfs2_rsqa_alloc(ip);
+	if (ret)
+		return ret;
+
+	if (!gfs2_glock_is_locked_by_me(ip->i_gl)) {
+		ret = gfs2_glock_nq_init(ip->i_gl, LM_ST_EXCLUSIVE, 0, &gh);
+		if (ret)
+			return ret;
+		need_unlock = true;
+	}
+	ret = __gfs2_set_acl(inode, acl, type);
+	if (need_unlock)
+		gfs2_glock_dq_uninit(&gh);
+	return ret;
+}
diff --git a/fs/gfs2/acl.h b/fs/gfs2/acl.h
index 3af4f407a..f674fdd22 100644
--- a/fs/gfs2/acl.h
+++ b/fs/gfs2/acl.h
@@ -15,6 +15,7 @@
 #define GFS2_ACL_MAX_ENTRIES(sdp) ((300 << (sdp)->sd_sb.sb_bsize_shift) >> 12)
 
 extern struct posix_acl *gfs2_get_acl(struct inode *inode, int type);
+extern int __gfs2_set_acl(struct inode *inode, struct posix_acl *acl, int type);
 extern int gfs2_set_acl(struct inode *inode, struct posix_acl *acl, int type);
 
 #endif /* __ACL_DOT_H__ */
diff --git a/fs/gfs2/aops.c b/fs/gfs2/aops.c
index 1bbbee945..37b7bc14c 100644
--- a/fs/gfs2/aops.c
+++ b/fs/gfs2/aops.c
@@ -977,7 +977,7 @@ static void gfs2_discard(struct gfs2_sbd *sdp, struct buffer_head *bh)
 		if (!list_empty(&bd->bd_list) && !buffer_pinned(bh))
 			list_del_init(&bd->bd_list);
 		else
-			gfs2_remove_from_journal(bh, current->journal_info, 0);
+			gfs2_remove_from_journal(bh, REMOVE_JDATA);
 	}
 	bh->b_bdev = NULL;
 	clear_buffer_mapped(bh);
@@ -1042,13 +1042,13 @@ static int gfs2_ok_for_dio(struct gfs2_inode *ip, loff_t offset)
 
 
 
-static ssize_t gfs2_direct_IO(struct kiocb *iocb, struct iov_iter *iter,
-			      loff_t offset)
+static ssize_t gfs2_direct_IO(struct kiocb *iocb, struct iov_iter *iter)
 {
 	struct file *file = iocb->ki_filp;
 	struct inode *inode = file->f_mapping->host;
 	struct address_space *mapping = inode->i_mapping;
 	struct gfs2_inode *ip = GFS2_I(inode);
+	loff_t offset = iocb->ki_pos;
 	struct gfs2_holder gh;
 	int rv;
 
@@ -1063,7 +1063,7 @@ static ssize_t gfs2_direct_IO(struct kiocb *iocb, struct iov_iter *iter,
 	gfs2_holder_init(ip->i_gl, LM_ST_DEFERRED, 0, &gh);
 	rv = gfs2_glock_nq(&gh);
 	if (rv)
-		return rv;
+		goto out_uninit;
 	rv = gfs2_ok_for_dio(ip, offset);
 	if (rv != 1)
 		goto out; /* dio not valid, fall back to buffered i/o */
@@ -1099,9 +1099,10 @@ static ssize_t gfs2_direct_IO(struct kiocb *iocb, struct iov_iter *iter,
 	}
 
 	rv = __blockdev_direct_IO(iocb, inode, inode->i_sb->s_bdev, iter,
-				  offset, gfs2_get_block_direct, NULL, NULL, 0);
+				  gfs2_get_block_direct, NULL, NULL, 0);
 out:
 	gfs2_glock_dq(&gh);
+out_uninit:
 	gfs2_holder_uninit(&gh);
 	return rv;
 }
diff --git a/fs/gfs2/dir.c b/fs/gfs2/dir.c
index 4a01f30e9..271d93905 100644
--- a/fs/gfs2/dir.c
+++ b/fs/gfs2/dir.c
@@ -783,12 +783,15 @@ static int get_leaf_nr(struct gfs2_inode *dip, u32 index,
 		       u64 *leaf_out)
 {
 	__be64 *hash;
+	int error;
 
 	hash = gfs2_dir_get_hash_table(dip);
-	if (IS_ERR(hash))
-		return PTR_ERR(hash);
-	*leaf_out = be64_to_cpu(*(hash + index));
-	return 0;
+	error = PTR_ERR_OR_ZERO(hash);
+
+	if (!error)
+		*leaf_out = be64_to_cpu(*(hash + index));
+
+	return error;
 }
 
 static int get_first_leaf(struct gfs2_inode *dip, u32 index,
@@ -798,7 +801,7 @@ static int get_first_leaf(struct gfs2_inode *dip, u32 index,
 	int error;
 
 	error = get_leaf_nr(dip, index, &leaf_no);
-	if (!IS_ERR_VALUE(error))
+	if (!error)
 		error = get_leaf(dip, leaf_no, bh_out);
 
 	return error;
@@ -1014,7 +1017,7 @@ static int dir_split_leaf(struct inode *inode, const struct qstr *name)
 
 	index = name->hash >> (32 - dip->i_depth);
 	error = get_leaf_nr(dip, index, &leaf_no);
-	if (IS_ERR_VALUE(error))
+	if (error)
 		return error;
 
 	/*  Get the old leaf block  */
diff --git a/fs/gfs2/file.c b/fs/gfs2/file.c
index 208efc70a..e0f98e483 100644
--- a/fs/gfs2/file.c
+++ b/fs/gfs2/file.c
@@ -160,7 +160,7 @@ static int gfs2_get_flags(struct file *filp, u32 __user *ptr)
 	gfs2_holder_init(ip->i_gl, LM_ST_SHARED, 0, &gh);
 	error = gfs2_glock_nq(&gh);
 	if (error)
-		return error;
+		goto out_uninit;
 
 	fsflags = fsflags_cvt(gfs2_to_fsflags, ip->i_diskflags);
 	if (!S_ISDIR(inode->i_mode) && ip->i_diskflags & GFS2_DIF_JDATA)
@@ -169,6 +169,7 @@ static int gfs2_get_flags(struct file *filp, u32 __user *ptr)
 		error = -EFAULT;
 
 	gfs2_glock_dq(&gh);
+out_uninit:
 	gfs2_holder_uninit(&gh);
 	return error;
 }
@@ -895,7 +896,10 @@ static long __gfs2_fallocate(struct file *file, int mode, loff_t offset, loff_t
 		mark_inode_dirty(inode);
 	}
 
-	return generic_write_sync(file, pos, count);
+	if ((file->f_flags & O_DSYNC) || IS_SYNC(file->f_mapping->host))
+		return vfs_fsync_range(file, pos, pos + count - 1,
+			       (file->f_flags & __O_SYNC) ? 0 : 1);
+	return 0;
 
 out_trans_fail:
 	gfs2_inplace_release(ip);
@@ -950,6 +954,30 @@ out_uninit:
 	return ret;
 }
 
+static ssize_t gfs2_file_splice_read(struct file *in, loff_t *ppos,
+				     struct pipe_inode_info *pipe, size_t len,
+				     unsigned int flags)
+{
+	struct inode *inode = in->f_mapping->host;
+	struct gfs2_inode *ip = GFS2_I(inode);
+	struct gfs2_holder gh;
+	int ret;
+
+	inode_lock(inode);
+
+	ret = gfs2_glock_nq_init(ip->i_gl, LM_ST_SHARED, 0, &gh);
+	if (ret) {
+		inode_unlock(inode);
+		return ret;
+	}
+
+	gfs2_glock_dq_uninit(&gh);
+	inode_unlock(inode);
+
+	return generic_file_splice_read(in, ppos, pipe, len, flags);
+}
+
+
 static ssize_t gfs2_file_splice_write(struct pipe_inode_info *pipe,
 				      struct file *out, loff_t *ppos,
 				      size_t len, unsigned int flags)
@@ -1112,14 +1140,14 @@ const struct file_operations gfs2_file_fops = {
 	.fsync		= gfs2_fsync,
 	.lock		= gfs2_lock,
 	.flock		= gfs2_flock,
-	.splice_read	= generic_file_splice_read,
+	.splice_read	= gfs2_file_splice_read,
 	.splice_write	= gfs2_file_splice_write,
 	.setlease	= simple_nosetlease,
 	.fallocate	= gfs2_fallocate,
 };
 
 const struct file_operations gfs2_dir_fops = {
-	.iterate	= gfs2_readdir,
+	.iterate_shared	= gfs2_readdir,
 	.unlocked_ioctl	= gfs2_ioctl,
 	.open		= gfs2_open,
 	.release	= gfs2_release,
@@ -1140,14 +1168,14 @@ const struct file_operations gfs2_file_fops_nolock = {
 	.open		= gfs2_open,
 	.release	= gfs2_release,
 	.fsync		= gfs2_fsync,
-	.splice_read	= generic_file_splice_read,
+	.splice_read	= gfs2_file_splice_read,
 	.splice_write	= gfs2_file_splice_write,
 	.setlease	= generic_setlease,
 	.fallocate	= gfs2_fallocate,
 };
 
 const struct file_operations gfs2_dir_fops_nolock = {
-	.iterate	= gfs2_readdir,
+	.iterate_shared	= gfs2_readdir,
 	.unlocked_ioctl	= gfs2_ioctl,
 	.open		= gfs2_open,
 	.release	= gfs2_release,
diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c
index 6539131c5..706fd9352 100644
--- a/fs/gfs2/glock.c
+++ b/fs/gfs2/glock.c
@@ -218,7 +218,7 @@ static void gfs2_holder_wake(struct gfs2_holder *gh)
  *
  */
 
-static inline void do_error(struct gfs2_glock *gl, const int ret)
+static void do_error(struct gfs2_glock *gl, const int ret)
 {
 	struct gfs2_holder *gh, *tmp;
 
@@ -475,7 +475,14 @@ __acquires(&gl->gl_lockref.lock)
 	if (sdp->sd_lockstruct.ls_ops->lm_lock)	{
 		/* lock_dlm */
 		ret = sdp->sd_lockstruct.ls_ops->lm_lock(gl, target, lck_flags);
-		if (ret) {
+		if (ret == -EINVAL && gl->gl_target == LM_ST_UNLOCKED &&
+		    target == LM_ST_UNLOCKED &&
+		    test_bit(SDF_SKIP_DLM_UNLOCK, &sdp->sd_flags)) {
+			finish_xmote(gl, target);
+			if (queue_delayed_work(glock_workqueue, &gl->gl_work, 0) == 0)
+				gfs2_glock_put(gl);
+		}
+		else if (ret) {
 			pr_err("lm_lock ret %d\n", ret);
 			GLOCK_BUG_ON(gl, 1);
 		}
@@ -1913,7 +1920,7 @@ static int gfs2_glocks_open(struct inode *inode, struct file *file)
 		if (seq->buf)
 			seq->size = GFS2_SEQ_GOODSIZE;
 		gi->gl = NULL;
-		ret = rhashtable_walk_init(&gl_hash_table, &gi->hti);
+		ret = rhashtable_walk_init(&gl_hash_table, &gi->hti, GFP_KERNEL);
 	}
 	return ret;
 }
@@ -1941,7 +1948,7 @@ static int gfs2_glstats_open(struct inode *inode, struct file *file)
 		if (seq->buf)
 			seq->size = GFS2_SEQ_GOODSIZE;
 		gi->gl = NULL;
-		ret = rhashtable_walk_init(&gl_hash_table, &gi->hti);
+		ret = rhashtable_walk_init(&gl_hash_table, &gi->hti, GFP_KERNEL);
 	}
 	return ret;
 }
diff --git a/fs/gfs2/glops.c b/fs/gfs2/glops.c
index 437fd73e3..5db59d444 100644
--- a/fs/gfs2/glops.c
+++ b/fs/gfs2/glops.c
@@ -286,17 +286,10 @@ static void inode_go_inval(struct gfs2_glock *gl, int flags)
 static int inode_go_demote_ok(const struct gfs2_glock *gl)
 {
 	struct gfs2_sbd *sdp = gl->gl_name.ln_sbd;
-	struct gfs2_holder *gh;
 
 	if (sdp->sd_jindex == gl->gl_object || sdp->sd_rindex == gl->gl_object)
 		return 0;
 
-	if (!list_empty(&gl->gl_holders)) {
-		gh = list_entry(gl->gl_holders.next, struct gfs2_holder, gh_list);
-		if (gh->gh_list.next != &gl->gl_holders)
-			return 0;
-	}
-
 	return 1;
 }
 
diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c
index bb30f9a72..9bad79fed 100644
--- a/fs/gfs2/inode.c
+++ b/fs/gfs2/inode.c
@@ -93,12 +93,12 @@ struct inode *gfs2_inode_lookup(struct super_block *sb, unsigned int type,
 	int error;
 
 	inode = iget_locked(sb, (unsigned long)no_addr);
-	ip = GFS2_I(inode);
-	ip->i_no_addr = no_addr;
-
 	if (!inode)
 		return ERR_PTR(-ENOMEM);
 
+	ip = GFS2_I(inode);
+	ip->i_no_addr = no_addr;
+
 	if (inode->i_state & I_NEW) {
 		struct gfs2_sbd *sdp = GFS2_SB(inode);
 		ip->i_no_formal_ino = no_formal_ino;
@@ -692,12 +692,12 @@ static int gfs2_create_inode(struct inode *dir, struct dentry *dentry,
 			       considered free. Any failures need to undo
 			       the gfs2 structures. */
 	if (default_acl) {
-		error = gfs2_set_acl(inode, default_acl, ACL_TYPE_DEFAULT);
+		error = __gfs2_set_acl(inode, default_acl, ACL_TYPE_DEFAULT);
 		posix_acl_release(default_acl);
 	}
 	if (acl) {
 		if (!error)
-			error = gfs2_set_acl(inode, acl, ACL_TYPE_ACCESS);
+			error = __gfs2_set_acl(inode, acl, ACL_TYPE_ACCESS);
 		posix_acl_release(acl);
 	}
 
@@ -1189,7 +1189,7 @@ static int gfs2_atomic_open(struct inode *dir, struct dentry *dentry,
 	struct dentry *d;
 	bool excl = !!(flags & O_EXCL);
 
-	if (!d_unhashed(dentry))
+	if (!d_in_lookup(dentry))
 		goto skip_lookup;
 
 	d = __gfs2_lookup(dir, dentry, file, opened);
@@ -1948,67 +1948,6 @@ static int gfs2_getattr(struct vfsmount *mnt, struct dentry *dentry,
 	return 0;
 }
 
-static int gfs2_setxattr(struct dentry *dentry, const char *name,
-			 const void *data, size_t size, int flags)
-{
-	struct inode *inode = d_inode(dentry);
-	struct gfs2_inode *ip = GFS2_I(inode);
-	struct gfs2_holder gh;
-	int ret;
-
-	gfs2_holder_init(ip->i_gl, LM_ST_EXCLUSIVE, 0, &gh);
-	ret = gfs2_glock_nq(&gh);
-	if (ret == 0) {
-		ret = gfs2_rsqa_alloc(ip);
-		if (ret == 0)
-			ret = generic_setxattr(dentry, name, data, size, flags);
-		gfs2_glock_dq(&gh);
-	}
-	gfs2_holder_uninit(&gh);
-	return ret;
-}
-
-static ssize_t gfs2_getxattr(struct dentry *dentry, const char *name,
-			     void *data, size_t size)
-{
-	struct inode *inode = d_inode(dentry);
-	struct gfs2_inode *ip = GFS2_I(inode);
-	struct gfs2_holder gh;
-	int ret;
-
-	/* For selinux during lookup */
-	if (gfs2_glock_is_locked_by_me(ip->i_gl))
-		return generic_getxattr(dentry, name, data, size);
-
-	gfs2_holder_init(ip->i_gl, LM_ST_SHARED, LM_FLAG_ANY, &gh);
-	ret = gfs2_glock_nq(&gh);
-	if (ret == 0) {
-		ret = generic_getxattr(dentry, name, data, size);
-		gfs2_glock_dq(&gh);
-	}
-	gfs2_holder_uninit(&gh);
-	return ret;
-}
-
-static int gfs2_removexattr(struct dentry *dentry, const char *name)
-{
-	struct inode *inode = d_inode(dentry);
-	struct gfs2_inode *ip = GFS2_I(inode);
-	struct gfs2_holder gh;
-	int ret;
-
-	gfs2_holder_init(ip->i_gl, LM_ST_EXCLUSIVE, 0, &gh);
-	ret = gfs2_glock_nq(&gh);
-	if (ret == 0) {
-		ret = gfs2_rsqa_alloc(ip);
-		if (ret == 0)
-			ret = generic_removexattr(dentry, name);
-		gfs2_glock_dq(&gh);
-	}
-	gfs2_holder_uninit(&gh);
-	return ret;
-}
-
 static int gfs2_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
 		       u64 start, u64 len)
 {
@@ -2055,10 +1994,10 @@ const struct inode_operations gfs2_file_iops = {
 	.permission = gfs2_permission,
 	.setattr = gfs2_setattr,
 	.getattr = gfs2_getattr,
-	.setxattr = gfs2_setxattr,
-	.getxattr = gfs2_getxattr,
+	.setxattr = generic_setxattr,
+	.getxattr = generic_getxattr,
 	.listxattr = gfs2_listxattr,
-	.removexattr = gfs2_removexattr,
+	.removexattr = generic_removexattr,
 	.fiemap = gfs2_fiemap,
 	.get_acl = gfs2_get_acl,
 	.set_acl = gfs2_set_acl,
@@ -2077,10 +2016,10 @@ const struct inode_operations gfs2_dir_iops = {
 	.permission = gfs2_permission,
 	.setattr = gfs2_setattr,
 	.getattr = gfs2_getattr,
-	.setxattr = gfs2_setxattr,
-	.getxattr = gfs2_getxattr,
+	.setxattr = generic_setxattr,
+	.getxattr = generic_getxattr,
 	.listxattr = gfs2_listxattr,
-	.removexattr = gfs2_removexattr,
+	.removexattr = generic_removexattr,
 	.fiemap = gfs2_fiemap,
 	.get_acl = gfs2_get_acl,
 	.set_acl = gfs2_set_acl,
@@ -2093,10 +2032,10 @@ const struct inode_operations gfs2_symlink_iops = {
 	.permission = gfs2_permission,
 	.setattr = gfs2_setattr,
 	.getattr = gfs2_getattr,
-	.setxattr = gfs2_setxattr,
-	.getxattr = gfs2_getxattr,
+	.setxattr = generic_setxattr,
+	.getxattr = generic_getxattr,
 	.listxattr = gfs2_listxattr,
-	.removexattr = gfs2_removexattr,
+	.removexattr = generic_removexattr,
 	.fiemap = gfs2_fiemap,
 };
 
diff --git a/fs/gfs2/meta_io.c b/fs/gfs2/meta_io.c
index 0448524c1..35c4f50fa 100644
--- a/fs/gfs2/meta_io.c
+++ b/fs/gfs2/meta_io.c
@@ -37,8 +37,7 @@ static int gfs2_aspace_writepage(struct page *page, struct writeback_control *wb
 {
 	struct buffer_head *bh, *head;
 	int nr_underway = 0;
-	int write_op = REQ_META | REQ_PRIO |
-		(wbc->sync_mode == WB_SYNC_ALL ? WRITE_SYNC : WRITE);
+	int write_op = REQ_META | REQ_PRIO | wbc_to_write_cmd(wbc);
 
 	BUG_ON(!PageLocked(page));
 	BUG_ON(!page_has_buffers(page));
@@ -325,18 +324,19 @@ int gfs2_meta_wait(struct gfs2_sbd *sdp, struct buffer_head *bh)
 	return 0;
 }
 
-void gfs2_remove_from_journal(struct buffer_head *bh, struct gfs2_trans *tr, int meta)
+void gfs2_remove_from_journal(struct buffer_head *bh, int meta)
 {
 	struct address_space *mapping = bh->b_page->mapping;
 	struct gfs2_sbd *sdp = gfs2_mapping2sbd(mapping);
 	struct gfs2_bufdata *bd = bh->b_private;
+	struct gfs2_trans *tr = current->journal_info;
 	int was_pinned = 0;
 
 	if (test_clear_buffer_pinned(bh)) {
 		trace_gfs2_pin(bd, 0);
 		atomic_dec(&sdp->sd_log_pinned);
 		list_del_init(&bd->bd_list);
-		if (meta)
+		if (meta == REMOVE_META)
 			tr->tr_num_buf_rm++;
 		else
 			tr->tr_num_databuf_rm++;
@@ -376,7 +376,7 @@ void gfs2_meta_wipe(struct gfs2_inode *ip, u64 bstart, u32 blen)
 		if (bh) {
 			lock_buffer(bh);
 			gfs2_log_lock(sdp);
-			gfs2_remove_from_journal(bh, current->journal_info, 1);
+			gfs2_remove_from_journal(bh, REMOVE_META);
 			gfs2_log_unlock(sdp);
 			unlock_buffer(bh);
 			brelse(bh);
diff --git a/fs/gfs2/meta_io.h b/fs/gfs2/meta_io.h
index c5086c8af..ffdf6aa35 100644
--- a/fs/gfs2/meta_io.h
+++ b/fs/gfs2/meta_io.h
@@ -57,8 +57,12 @@ extern int gfs2_meta_read(struct gfs2_glock *gl, u64 blkno, int flags,
 extern int gfs2_meta_wait(struct gfs2_sbd *sdp, struct buffer_head *bh);
 extern struct buffer_head *gfs2_getbuf(struct gfs2_glock *gl, u64 blkno,
 				       int create);
-extern void gfs2_remove_from_journal(struct buffer_head *bh,
-				     struct gfs2_trans *tr, int meta);
+enum {
+	REMOVE_JDATA = 0,
+	REMOVE_META = 1,
+};
+
+extern void gfs2_remove_from_journal(struct buffer_head *bh, int meta);
 extern void gfs2_meta_wipe(struct gfs2_inode *ip, u64 bstart, u32 blen);
 extern int gfs2_meta_indirect_buffer(struct gfs2_inode *ip, int height, u64 num,
 				     struct buffer_head **bhp);
diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c
index 49b0bff18..45463600f 100644
--- a/fs/gfs2/ops_fstype.c
+++ b/fs/gfs2/ops_fstype.c
@@ -824,7 +824,7 @@ static int init_inodes(struct gfs2_sbd *sdp, int undo)
 	 * i_mutex on quota files is special. Since this inode is hidden system
 	 * file, we are safe to define locking ourselves.
 	 */
-	lockdep_set_class(&sdp->sd_quota_inode->i_mutex,
+	lockdep_set_class(&sdp->sd_quota_inode->i_rwsem,
 			  &gfs2_quota_imutex_key);
 
 	error = gfs2_rindex_update(sdp);
@@ -1360,7 +1360,7 @@ static struct dentry *gfs2_mount_meta(struct file_system_type *fs_type,
 		return ERR_PTR(error);
 	}
 	s = sget(&gfs2_fs_type, test_gfs2_super, set_meta_super, flags,
-		 d_inode(path.dentry)->i_sb->s_bdev);
+		 path.dentry->d_sb->s_bdev);
 	path_put(&path);
 	if (IS_ERR(s)) {
 		pr_warn("gfs2 mount does not exist\n");
diff --git a/fs/gfs2/rgrp.c b/fs/gfs2/rgrp.c
index 99a0bdac8..5bd216901 100644
--- a/fs/gfs2/rgrp.c
+++ b/fs/gfs2/rgrp.c
@@ -73,8 +73,7 @@ static const char valid_change[16] = {
 };
 
 static int gfs2_rbm_find(struct gfs2_rbm *rbm, u8 state, u32 *minext,
-			 const struct gfs2_inode *ip, bool nowrap,
-			 const struct gfs2_alloc_parms *ap);
+			 const struct gfs2_inode *ip, bool nowrap);
 
 
 /**
@@ -1511,7 +1510,7 @@ static void rg_mblk_search(struct gfs2_rgrpd *rgd, struct gfs2_inode *ip,
 	if (WARN_ON(gfs2_rbm_from_block(&rbm, goal)))
 		return;
 
-	ret = gfs2_rbm_find(&rbm, GFS2_BLKST_FREE, &extlen, ip, true, ap);
+	ret = gfs2_rbm_find(&rbm, GFS2_BLKST_FREE, &extlen, ip, true);
 	if (ret == 0) {
 		rs->rs_rbm = rbm;
 		rs->rs_free = extlen;
@@ -1638,7 +1637,6 @@ fail:
  * @ip: If set, check for reservations
  * @nowrap: Stop looking at the end of the rgrp, rather than wrapping
  *          around until we've reached the starting point.
- * @ap: the allocation parameters
  *
  * Side effects:
  * - If looking for free blocks, we set GBF_FULL on each bitmap which
@@ -1650,8 +1648,7 @@ fail:
  */
 
 static int gfs2_rbm_find(struct gfs2_rbm *rbm, u8 state, u32 *minext,
-			 const struct gfs2_inode *ip, bool nowrap,
-			 const struct gfs2_alloc_parms *ap)
+			 const struct gfs2_inode *ip, bool nowrap)
 {
 	struct buffer_head *bh;
 	int initial_bii;
@@ -1772,7 +1769,7 @@ static void try_rgrp_unlink(struct gfs2_rgrpd *rgd, u64 *last_unlinked, u64 skip
 	while (1) {
 		down_write(&sdp->sd_log_flush_lock);
 		error = gfs2_rbm_find(&rbm, GFS2_BLKST_UNLINKED, NULL, NULL,
-				      true, NULL);
+				      true);
 		up_write(&sdp->sd_log_flush_lock);
 		if (error == -ENOSPC)
 			break;
@@ -2329,12 +2326,11 @@ int gfs2_alloc_blocks(struct gfs2_inode *ip, u64 *bn, unsigned int *nblocks,
 	int error;
 
 	gfs2_set_alloc_start(&rbm, ip, dinode);
-	error = gfs2_rbm_find(&rbm, GFS2_BLKST_FREE, NULL, ip, false, NULL);
+	error = gfs2_rbm_find(&rbm, GFS2_BLKST_FREE, NULL, ip, false);
 
 	if (error == -ENOSPC) {
 		gfs2_set_alloc_start(&rbm, ip, dinode);
-		error = gfs2_rbm_find(&rbm, GFS2_BLKST_FREE, NULL, NULL, false,
-				      NULL);
+		error = gfs2_rbm_find(&rbm, GFS2_BLKST_FREE, NULL, NULL, false);
 	}
 
 	/* Since all blocks are reserved in advance, this shouldn't happen */
diff --git a/fs/gfs2/super.c b/fs/gfs2/super.c
index f8a0cd821..9b2ff353e 100644
--- a/fs/gfs2/super.c
+++ b/fs/gfs2/super.c
@@ -1176,7 +1176,7 @@ static int gfs2_statfs_i(struct gfs2_sbd *sdp, struct gfs2_statfs_change_host *s
 
 static int gfs2_statfs(struct dentry *dentry, struct kstatfs *buf)
 {
-	struct super_block *sb = d_inode(dentry)->i_sb;
+	struct super_block *sb = dentry->d_sb;
 	struct gfs2_sbd *sdp = sb->s_fs_info;
 	struct gfs2_statfs_change_host sc;
 	int error;
diff --git a/fs/gfs2/util.c b/fs/gfs2/util.c
index cf6458357..aee4485ad 100644
--- a/fs/gfs2/util.c
+++ b/fs/gfs2/util.c
@@ -68,6 +68,7 @@ int gfs2_lm_withdraw(struct gfs2_sbd *sdp, const char *fmt, ...)
 			fs_err(sdp, "telling LM to unmount\n");
 			lm->lm_unmount(sdp);
 		}
+		set_bit(SDF_SKIP_DLM_UNLOCK, &sdp->sd_flags);
 		fs_err(sdp, "withdrawn\n");
 		dump_stack();
 	}
diff --git a/fs/gfs2/xattr.c b/fs/gfs2/xattr.c
index e8dfb4740..3a2853504 100644
--- a/fs/gfs2/xattr.c
+++ b/fs/gfs2/xattr.c
@@ -583,13 +583,11 @@ out:
  *
  * Returns: actual size of data on success, -errno on error
  */
-static int gfs2_xattr_get(const struct xattr_handler *handler,
-			  struct dentry *dentry, const char *name,
-			  void *buffer, size_t size)
+static int __gfs2_xattr_get(struct inode *inode, const char *name,
+			    void *buffer, size_t size, int type)
 {
-	struct gfs2_inode *ip = GFS2_I(d_inode(dentry));
+	struct gfs2_inode *ip = GFS2_I(inode);
 	struct gfs2_ea_location el;
-	int type = handler->flags;
 	int error;
 
 	if (!ip->i_eattr)
@@ -611,6 +609,29 @@ static int gfs2_xattr_get(const struct xattr_handler *handler,
 	return error;
 }
 
+static int gfs2_xattr_get(const struct xattr_handler *handler,
+			  struct dentry *unused, struct inode *inode,
+			  const char *name, void *buffer, size_t size)
+{
+	struct gfs2_inode *ip = GFS2_I(inode);
+	struct gfs2_holder gh;
+	bool need_unlock = false;
+	int ret;
+
+	/* During lookup, SELinux calls this function with the glock locked. */
+
+	if (!gfs2_glock_is_locked_by_me(ip->i_gl)) {
+		ret = gfs2_glock_nq_init(ip->i_gl, LM_ST_SHARED, LM_FLAG_ANY, &gh);
+		if (ret)
+			return ret;
+		need_unlock = true;
+	}
+	ret = __gfs2_xattr_get(inode, name, buffer, size, handler->flags);
+	if (need_unlock)
+		gfs2_glock_dq_uninit(&gh);
+	return ret;
+}
+
 /**
  * ea_alloc_blk - allocates a new block for extended attributes.
  * @ip: A pointer to the inode that's getting extended attributes
@@ -1230,11 +1251,24 @@ int __gfs2_xattr_set(struct inode *inode, const char *name,
 }
 
 static int gfs2_xattr_set(const struct xattr_handler *handler,
-			  struct dentry *dentry, const char *name,
-			  const void *value, size_t size, int flags)
+			  struct dentry *unused, struct inode *inode,
+			  const char *name, const void *value,
+			  size_t size, int flags)
 {
-	return __gfs2_xattr_set(d_inode(dentry), name, value,
-				size, flags, handler->flags);
+	struct gfs2_inode *ip = GFS2_I(inode);
+	struct gfs2_holder gh;
+	int ret;
+
+	ret = gfs2_rsqa_alloc(ip);
+	if (ret)
+		return ret;
+
+	ret = gfs2_glock_nq_init(ip->i_gl, LM_ST_EXCLUSIVE, 0, &gh);
+	if (ret)
+		return ret;
+	ret = __gfs2_xattr_set(inode, name, value, size, flags, handler->flags);
+	gfs2_glock_dq_uninit(&gh);
+	return ret;
 }
 
 static int ea_dealloc_indirect(struct gfs2_inode *ip)