Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6

* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6: (21 commits)
  ext3: PTR_ERR return of wrong pointer in setup_new_group_blocks()
  ext3: Fix data / filesystem corruption when write fails to copy data
  ext4: Support for 64-bit quota format
  ext3: Support for vfsv1 quota format
  quota: Implement quota format with 64-bit space and inode limits
  quota: Move definition of QFMT_OCFS2 to linux/quota.h
  ext2: fix comment in ext2_find_entry about return values
  ext3: Unify log messages in ext3
  ext2: clear uptodate flag on super block I/O error
  ext2: Unify log messages in ext2
  ext3: make "norecovery" an alias for "noload"
  ext3: Don't update the superblock in ext3_statfs()
  ext3: journal all modifications in ext3_xattr_set_handle
  ext2: Explicitly assign values to on-disk enum of filetypes
  quota: Fix WARN_ON in lookup_one_len
  const: struct quota_format_ops
  ubifs: remove manual O_SYNC handling
  afs: remove manual O_SYNC handling
  kill wait_on_page_writeback_range
  vfs: Implement proper O_SYNC semantics
  ...

30 files changed, 889 insertions, 632 deletions

diff --git a/fs/afs/write.c b/fs/afs/write.c
index c63a3c8beb7..5e15a21dbf9 100644
--- a/fs/afs/write.c
+++ b/fs/afs/write.c
@@ -671,7 +671,6 @@ ssize_t afs_file_write(struct kiocb *iocb, const struct iovec *iov,
 	struct afs_vnode *vnode = AFS_FS_I(dentry->d_inode);
 	ssize_t result;
 	size_t count = iov_length(iov, nr_segs);
-	int ret;
 
 	_enter("{%x.%u},{%zu},%lu,",
 	       vnode->fid.vid, vnode->fid.vnode, count, nr_segs);
@@ -691,13 +690,6 @@ ssize_t afs_file_write(struct kiocb *iocb, const struct iovec *iov,
 		return result;
 	}
 
-	/* return error values for O_SYNC and IS_SYNC() */
-	if (IS_SYNC(&vnode->vfs_inode) || iocb->ki_filp->f_flags & O_SYNC) {
-		ret = afs_fsync(iocb->ki_filp, dentry, 1);
-		if (ret < 0)
-			result = ret;
-	}
-
 	_leave(" = %zd", result);
 	return result;
 }
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index 06550affbd2..77f759302e1 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -909,7 +909,7 @@ static ssize_t btrfs_file_write(struct file *file, const char __user *buf,
 	unsigned long last_index;
 	int will_write;
 
-	will_write = ((file->f_flags & O_SYNC) || IS_SYNC(inode) ||
+	will_write = ((file->f_flags & O_DSYNC) || IS_SYNC(inode) ||
 		      (file->f_flags & O_DIRECT));
 
 	nrptrs = min((count + PAGE_CACHE_SIZE - 1) / PAGE_CACHE_SIZE,
@@ -1076,7 +1076,7 @@ out_nolock:
 		if (err)
 			num_written = err;
 
-		if ((file->f_flags & O_SYNC) || IS_SYNC(inode)) {
+		if ((file->f_flags & O_DSYNC) || IS_SYNC(inode)) {
 			trans = btrfs_start_transaction(root, 1);
 			ret = btrfs_log_dentry_safe(trans, root,
 						    file->f_dentry);
diff --git a/fs/cifs/dir.c b/fs/cifs/dir.c
index 1f42f772865..6ccf7262d1b 100644
--- a/fs/cifs/dir.c
+++ b/fs/cifs/dir.c
@@ -214,7 +214,8 @@ int cifs_posix_open(char *full_path, struct inode **pinode,
 		posix_flags |= SMB_O_EXCL;
 	if (oflags & O_TRUNC)
 		posix_flags |= SMB_O_TRUNC;
-	if (oflags & O_SYNC)
+	/* be safe and imply O_SYNC for O_DSYNC */
+	if (oflags & O_DSYNC)
 		posix_flags |= SMB_O_SYNC;
 	if (oflags & O_DIRECTORY)
 		posix_flags |= SMB_O_DIRECTORY;
diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index 429337eb7af..057e1dae12a 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -76,8 +76,10 @@ static inline fmode_t cifs_posix_convert_flags(unsigned int flags)
 	   reopening a file.  They had their effect on the original open */
 	if (flags & O_APPEND)
 		posix_flags |= (fmode_t)O_APPEND;
-	if (flags & O_SYNC)
-		posix_flags |= (fmode_t)O_SYNC;
+	if (flags & O_DSYNC)
+		posix_flags |= (fmode_t)O_DSYNC;
+	if (flags & __O_SYNC)
+		posix_flags |= (fmode_t)__O_SYNC;
 	if (flags & O_DIRECTORY)
 		posix_flags |= (fmode_t)O_DIRECTORY;
 	if (flags & O_NOFOLLOW)
diff --git a/fs/ext2/dir.c b/fs/ext2/dir.c
index 6cde970b0a1..fc2bd05d355 100644
--- a/fs/ext2/dir.c
+++ b/fs/ext2/dir.c
@@ -353,8 +353,8 @@ ext2_readdir (struct file * filp, void * dirent, filldir_t filldir)
  *	ext2_find_entry()
  *
  * finds an entry in the specified directory with the wanted name. It
- * returns the page in which the entry was found, and the entry itself
- * (as a parameter - res_dir). Page is returned mapped and unlocked.
+ * returns the page in which the entry was found (as a parameter - res_page),
+ * and the entry itself. Page is returned mapped and unlocked.
  * Entry is guaranteed to be valid.
  */
 struct ext2_dir_entry_2 *ext2_find_entry (struct inode * dir,
diff --git a/fs/ext2/ext2.h b/fs/ext2/ext2.h
index 9a8a8e27a06..da318b0fa63 100644
--- a/fs/ext2/ext2.h
+++ b/fs/ext2/ext2.h
@@ -142,7 +142,7 @@ struct dentry *ext2_get_parent(struct dentry *child);
 /* super.c */
 extern void ext2_error (struct super_block *, const char *, const char *, ...)
 	__attribute__ ((format (printf, 3, 4)));
-extern void ext2_warning (struct super_block *, const char *, const char *, ...)
+extern void ext2_msg(struct super_block *, const char *, const char *, ...)
 	__attribute__ ((format (printf, 3, 4)));
 extern void ext2_update_dynamic_rev (struct super_block *sb);
 extern void ext2_write_super (struct super_block *);
diff --git a/fs/ext2/inode.c b/fs/ext2/inode.c
index ade634076d0..71b032c65a0 100644
--- a/fs/ext2/inode.c
+++ b/fs/ext2/inode.c
@@ -137,7 +137,8 @@ static int ext2_block_to_path(struct inode *inode,
 	int final = 0;
 
 	if (i_block < 0) {
-		ext2_warning (inode->i_sb, "ext2_block_to_path", "block < 0");
+		ext2_msg(inode->i_sb, KERN_WARNING,
+			"warning: %s: block < 0", __func__);
 	} else if (i_block < direct_blocks) {
 		offsets[n++] = i_block;
 		final = direct_blocks;
@@ -157,7 +158,8 @@ static int ext2_block_to_path(struct inode *inode,
 		offsets[n++] = i_block & (ptrs - 1);
 		final = ptrs;
 	} else {
-		ext2_warning (inode->i_sb, "ext2_block_to_path", "block > big");
+		ext2_msg(inode->i_sb, KERN_WARNING,
+			"warning: %s: block is too big", __func__);
 	}
 	if (boundary)
 		*boundary = final - 1 - (i_block & (ptrs - 1));
diff --git a/fs/ext2/super.c b/fs/ext2/super.c
index 1a9ffee47d5..1388802b780 100644
--- a/fs/ext2/super.c
+++ b/fs/ext2/super.c
@@ -58,27 +58,27 @@ void ext2_error (struct super_block * sb, const char * function,
 	}
 
 	va_start(args, fmt);
-	printk(KERN_CRIT "EXT2-fs error (device %s): %s: ",sb->s_id, function);
+	printk(KERN_CRIT "EXT2-fs (%s): error: %s: ", sb->s_id, function);
 	vprintk(fmt, args);
 	printk("\n");
 	va_end(args);
 
 	if (test_opt(sb, ERRORS_PANIC))
-		panic("EXT2-fs panic from previous error\n");
+		panic("EXT2-fs: panic from previous error\n");
 	if (test_opt(sb, ERRORS_RO)) {
-		printk("Remounting filesystem read-only\n");
+		ext2_msg(sb, KERN_CRIT,
+			     "error: remounting filesystem read-only");
 		sb->s_flags |= MS_RDONLY;
 	}
 }
 
-void ext2_warning (struct super_block * sb, const char * function,
-		   const char * fmt, ...)
+void ext2_msg(struct super_block *sb, const char *prefix,
+		const char *fmt, ...)
 {
 	va_list args;
 
 	va_start(args, fmt);
-	printk(KERN_WARNING "EXT2-fs warning (device %s): %s: ",
-	       sb->s_id, function);
+	printk("%sEXT2-fs (%s): ", prefix, sb->s_id);
 	vprintk(fmt, args);
 	printk("\n");
 	va_end(args);
@@ -91,9 +91,9 @@ void ext2_update_dynamic_rev(struct super_block *sb)
 	if (le32_to_cpu(es->s_rev_level) > EXT2_GOOD_OLD_REV)
 		return;
 
-	ext2_warning(sb, __func__,
-		     "updating to rev %d because of new feature flag, "
-		     "running e2fsck is recommended",
+	ext2_msg(sb, KERN_WARNING,
+		     "warning: updating to rev %d because of "
+		     "new feature flag, running e2fsck is recommended",
 		     EXT2_DYNAMIC_REV);
 
 	es->s_first_ino = cpu_to_le32(EXT2_GOOD_OLD_FIRST_INO);
@@ -419,10 +419,10 @@ static const match_table_t tokens = {
 	{Opt_err, NULL}
 };
 
-static int parse_options (char * options,
-			  struct ext2_sb_info *sbi)
+static int parse_options(char *options, struct super_block *sb)
 {
-	char * p;
+	char *p;
+	struct ext2_sb_info *sbi = EXT2_SB(sb);
 	substring_t args[MAX_OPT_ARGS];
 	int option;
 
@@ -505,7 +505,8 @@ static int parse_options (char * options,
 #else
 		case Opt_user_xattr:
 		case Opt_nouser_xattr:
-			printk("EXT2 (no)user_xattr options not supported\n");
+			ext2_msg(sb, KERN_INFO, "(no)user_xattr options"
+				"not supported");
 			break;
 #endif
 #ifdef CONFIG_EXT2_FS_POSIX_ACL
@@ -518,14 +519,15 @@ static int parse_options (char * options,
 #else
 		case Opt_acl:
 		case Opt_noacl:
-			printk("EXT2 (no)acl options not supported\n");
+			ext2_msg(sb, KERN_INFO,
+				"(no)acl options not supported");
 			break;
 #endif
 		case Opt_xip:
 #ifdef CONFIG_EXT2_FS_XIP
 			set_opt (sbi->s_mount_opt, XIP);
 #else
-			printk("EXT2 xip option not supported\n");
+			ext2_msg(sb, KERN_INFO, "xip option not supported");
 #endif
 			break;
 
@@ -542,19 +544,18 @@ static int parse_options (char * options,
 		case Opt_quota:
 		case Opt_usrquota:
 		case Opt_grpquota:
-			printk(KERN_ERR
-				"EXT2-fs: quota operations not supported.\n");
-
+			ext2_msg(sb, KERN_INFO,
+				"quota operations not supported");
 			break;
 #endif
 
 		case Opt_reservation:
 			set_opt(sbi->s_mount_opt, RESERVATION);
-			printk("reservations ON\n");
+			ext2_msg(sb, KERN_INFO, "reservations ON");
 			break;
 		case Opt_noreservation:
 			clear_opt(sbi->s_mount_opt, RESERVATION);
-			printk("reservations OFF\n");
+			ext2_msg(sb, KERN_INFO, "reservations OFF");
 			break;
 		case Opt_ignore:
 			break;
@@ -573,34 +574,40 @@ static int ext2_setup_super (struct super_block * sb,
 	struct ext2_sb_info *sbi = EXT2_SB(sb);
 
 	if (le32_to_cpu(es->s_rev_level) > EXT2_MAX_SUPP_REV) {
-		printk ("EXT2-fs warning: revision level too high, "
-			"forcing read-only mode\n");
+		ext2_msg(sb, KERN_ERR,
+			"error: revision level too high, "
+			"forcing read-only mode");
 		res = MS_RDONLY;
 	}
 	if (read_only)
 		return res;
 	if (!(sbi->s_mount_state & EXT2_VALID_FS))
-		printk ("EXT2-fs warning: mounting unchecked fs, "
-			"running e2fsck is recommended\n");
+		ext2_msg(sb, KERN_WARNING,
+			"warning: mounting unchecked fs, "
+			"running e2fsck is recommended");
 	else if ((sbi->s_mount_state & EXT2_ERROR_FS))
-		printk ("EXT2-fs warning: mounting fs with errors, "
-			"running e2fsck is recommended\n");
+		ext2_msg(sb, KERN_WARNING,
+			"warning: mounting fs with errors, "
+			"running e2fsck is recommended");
 	else if ((__s16) le16_to_cpu(es->s_max_mnt_count) >= 0 &&
 		 le16_to_cpu(es->s_mnt_count) >=
 		 (unsigned short) (__s16) le16_to_cpu(es->s_max_mnt_count))
-		printk ("EXT2-fs warning: maximal mount count reached, "
-			"running e2fsck is recommended\n");
+		ext2_msg(sb, KERN_WARNING,
+			"warning: maximal mount count reached, "
+			"running e2fsck is recommended");
 	else if (le32_to_cpu(es->s_checkinterval) &&
-		(le32_to_cpu(es->s_lastcheck) + le32_to_cpu(es->s_checkinterval) <= get_seconds()))
-		printk ("EXT2-fs warning: checktime reached, "
-			"running e2fsck is recommended\n");
+		(le32_to_cpu(es->s_lastcheck) +
+			le32_to_cpu(es->s_checkinterval) <= get_seconds()))
+		ext2_msg(sb, KERN_WARNING,
+			"warning: checktime reached, "
+			"running e2fsck is recommended");
 	if (!le16_to_cpu(es->s_max_mnt_count))
 		es->s_max_mnt_count = cpu_to_le16(EXT2_DFL_MAX_MNT_COUNT);
 	le16_add_cpu(&es->s_mnt_count, 1);
 	ext2_write_super(sb);
 	if (test_opt (sb, DEBUG))
-		printk ("[EXT II FS %s, %s, bs=%lu, fs=%lu, gc=%lu, "
-			"bpg=%lu, ipg=%lu, mo=%04lx]\n",
+		ext2_msg(sb, KERN_INFO, "%s, %s, bs=%lu, fs=%lu, gc=%lu, "
+			"bpg=%lu, ipg=%lu, mo=%04lx]",
 			EXT2FS_VERSION, EXT2FS_DATE, sb->s_blocksize,
 			sbi->s_frag_size,
 			sbi->s_groups_count,
@@ -767,7 +774,7 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent)
 	 */
 	blocksize = sb_min_blocksize(sb, BLOCK_SIZE);
 	if (!blocksize) {
-		printk ("EXT2-fs: unable to set blocksize\n");
+		ext2_msg(sb, KERN_ERR, "error: unable to set blocksize");
 		goto failed_sbi;
 	}
 
@@ -783,7 +790,7 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent)
 	}
 
 	if (!(bh = sb_bread(sb, logic_sb_block))) {
-		printk ("EXT2-fs: unable to read superblock\n");
+		ext2_msg(sb, KERN_ERR, "error: unable to read superblock");
 		goto failed_sbi;
 	}
 	/*
@@ -826,7 +833,7 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent)
 	
 	set_opt(sbi->s_mount_opt, RESERVATION);
 
-	if (!parse_options ((char *) data, sbi))
+	if (!parse_options((char *) data, sb))
 		goto failed_mount;
 
 	sb->s_flags = (sb->s_flags & ~MS_POSIXACL) |
@@ -840,8 +847,9 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent)
 	    (EXT2_HAS_COMPAT_FEATURE(sb, ~0U) ||
 	     EXT2_HAS_RO_COMPAT_FEATURE(sb, ~0U) ||
 	     EXT2_HAS_INCOMPAT_FEATURE(sb, ~0U)))
-		printk("EXT2-fs warning: feature flags set on rev 0 fs, "
-		       "running e2fsck is recommended\n");
+		ext2_msg(sb, KERN_WARNING,
+			"warning: feature flags set on rev 0 fs, "
+			"running e2fsck is recommended");
 	/*
 	 * Check feature flags regardless of the revision level, since we
 	 * previously didn't change the revision level when setting the flags,
@@ -849,16 +857,16 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent)
 	 */
 	features = EXT2_HAS_INCOMPAT_FEATURE(sb, ~EXT2_FEATURE_INCOMPAT_SUPP);
 	if (features) {
-		printk("EXT2-fs: %s: couldn't mount because of "
-		       "unsupported optional features (%x).\n",
-		       sb->s_id, le32_to_cpu(features));
+		ext2_msg(sb, KERN_ERR,	"error: couldn't mount because of "
+		       "unsupported optional features (%x)",
+			le32_to_cpu(features));
 		goto failed_mount;
 	}
 	if (!(sb->s_flags & MS_RDONLY) &&
 	    (features = EXT2_HAS_RO_COMPAT_FEATURE(sb, ~EXT2_FEATURE_RO_COMPAT_SUPP))){
-		printk("EXT2-fs: %s: couldn't mount RDWR because of "
-		       "unsupported optional features (%x).\n",
-		       sb->s_id, le32_to_cpu(features));
+		ext2_msg(sb, KERN_ERR, "error: couldn't mount RDWR because of "
+		       "unsupported optional features (%x)",
+		       le32_to_cpu(features));
 		goto failed_mount;
 	}
 
@@ -866,7 +874,8 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent)
 
 	if (ext2_use_xip(sb) && blocksize != PAGE_SIZE) {
 		if (!silent)
-			printk("XIP: Unsupported blocksize\n");
+			ext2_msg(sb, KERN_ERR,
+				"error: unsupported blocksize for xip");
 		goto failed_mount;
 	}
 
@@ -875,7 +884,7 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent)
 		brelse(bh);
 
 		if (!sb_set_blocksize(sb, blocksize)) {
-			printk(KERN_ERR "EXT2-fs: blocksize too small for device.\n");
+			ext2_msg(sb, KERN_ERR, "error: blocksize is too small");
 			goto failed_sbi;
 		}
 
@@ -883,14 +892,14 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent)
 		offset = (sb_block*BLOCK_SIZE) % blocksize;
 		bh = sb_bread(sb, logic_sb_block);
 		if(!bh) {
-			printk("EXT2-fs: Couldn't read superblock on "
-			       "2nd try.\n");
+			ext2_msg(sb, KERN_ERR, "error: couldn't read"
+				"superblock on 2nd try");
 			goto failed_sbi;
 		}
 		es = (struct ext2_super_block *) (((char *)bh->b_data) + offset);
 		sbi->s_es = es;
 		if (es->s_magic != cpu_to_le16(EXT2_SUPER_MAGIC)) {
-			printk ("EXT2-fs: Magic mismatch, very weird !\n");
+			ext2_msg(sb, KERN_ERR, "error: magic mismatch");
 			goto failed_mount;
 		}
 	}
@@ -906,7 +915,8 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent)
 		if ((sbi->s_inode_size < EXT2_GOOD_OLD_INODE_SIZE) ||
 		    !is_power_of_2(sbi->s_inode_size) ||
 		    (sbi->s_inode_size > blocksize)) {
-			printk ("EXT2-fs: unsupported inode size: %d\n",
+			ext2_msg(sb, KERN_ERR,
+				"error: unsupported inode size: %d",
 				sbi->s_inode_size);
 			goto failed_mount;
 		}
@@ -943,29 +953,33 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent)
 
 	if (sb->s_blocksize != bh->b_size) {
 		if (!silent)
-			printk ("VFS: Unsupported blocksize on dev "
-				"%s.\n", sb->s_id);
+			ext2_msg(sb, KERN_ERR, "error: unsupported blocksize");
 		goto failed_mount;
 	}
 
 	if (sb->s_blocksize != sbi->s_frag_size) {
-		printk ("EXT2-fs: fragsize %lu != blocksize %lu (not supported yet)\n",
+		ext2_msg(sb, KERN_ERR,
+			"error: fragsize %lu != blocksize %lu"
+			"(not supported yet)",
 			sbi->s_frag_size, sb->s_blocksize);
 		goto failed_mount;
 	}
 
 	if (sbi->s_blocks_per_group > sb->s_blocksize * 8) {
-		printk ("EXT2-fs: #blocks per group too big: %lu\n",
+		ext2_msg(sb, KERN_ERR,
+			"error: #blocks per group too big: %lu",
 			sbi->s_blocks_per_group);
 		goto failed_mount;
 	}
 	if (sbi->s_frags_per_group > sb->s_blocksize * 8) {
-		printk ("EXT2-fs: #fragments per group too big: %lu\n",
+		ext2_msg(sb, KERN_ERR,
+			"error: #fragments per group too big: %lu",
 			sbi->s_frags_per_group);
 		goto failed_mount;
 	}
 	if (sbi->s_inodes_per_group > sb->s_blocksize * 8) {
-		printk ("EXT2-fs: #inodes per group too big: %lu\n",
+		ext2_msg(sb, KERN_ERR,
+			"error: #inodes per group too big: %lu",
 			sbi->s_inodes_per_group);
 		goto failed_mount;
 	}
@@ -979,13 +993,13 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent)
 		   EXT2_DESC_PER_BLOCK(sb);
 	sbi->s_group_desc = kmalloc (db_count * sizeof (struct buffer_head *), GFP_KERNEL);
 	if (sbi->s_group_desc == NULL) {
-		printk ("EXT2-fs: not enough memory\n");
+		ext2_msg(sb, KERN_ERR, "error: not enough memory");
 		goto failed_mount;
 	}
 	bgl_lock_init(sbi->s_blockgroup_lock);
 	sbi->s_debts = kcalloc(sbi->s_groups_count, sizeof(*sbi->s_debts), GFP_KERNEL);
 	if (!sbi->s_debts) {
-		printk ("EXT2-fs: not enough memory\n");
+		ext2_msg(sb, KERN_ERR, "error: not enough memory");
 		goto failed_mount_group_desc;
 	}
 	for (i = 0; i < db_count; i++) {
@@ -994,12 +1008,13 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent)
 		if (!sbi->s_group_desc[i]) {
 			for (j = 0; j < i; j++)
 				brelse (sbi->s_group_desc[j]);
-			printk ("EXT2-fs: unable to read group descriptors\n");
+			ext2_msg(sb, KERN_ERR,
+				"error: unable to read group descriptors");
 			goto failed_mount_group_desc;
 		}
 	}
 	if (!ext2_check_descriptors (sb)) {
-		printk ("EXT2-fs: group descriptors corrupted!\n");
+		ext2_msg(sb, KERN_ERR, "group descriptors corrupted");
 		goto failed_mount2;
 	}
 	sbi->s_gdb_count = db_count;
@@ -1032,7 +1047,7 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent)
 				ext2_count_dirs(sb));
 	}
 	if (err) {
-		printk(KERN_ERR "EXT2-fs: insufficient memory\n");
+		ext2_msg(sb, KERN_ERR, "error: insufficient memory");
 		goto failed_mount3;
 	}
 	/*
@@ -1048,27 +1063,28 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent)
 	}
 	if (!S_ISDIR(root->i_mode) || !root->i_blocks || !root->i_size) {
 		iput(root);
-		printk(KERN_ERR "EXT2-fs: corrupt root inode, run e2fsck\n");
+		ext2_msg(sb, KERN_ERR, "error: corrupt root inode, run e2fsck");
 		goto failed_mount3;
 	}
 
 	sb->s_root = d_alloc_root(root);
 	if (!sb->s_root) {
 		iput(root);
-		printk(KERN_ERR "EXT2-fs: get root inode failed\n");
+		ext2_msg(sb, KERN_ERR, "error: get root inode failed");
 		ret = -ENOMEM;
 		goto failed_mount3;
 	}
 	if (EXT2_HAS_COMPAT_FEATURE(sb, EXT3_FEATURE_COMPAT_HAS_JOURNAL))
-		ext2_warning(sb, __func__,
-			"mounting ext3 filesystem as ext2");
+		ext2_msg(sb, KERN_WARNING,
+			"warning: mounting ext3 filesystem as ext2");
 	ext2_setup_super (sb, es, sb->s_flags & MS_RDONLY);
 	return 0;
 
 cantfind_ext2:
 	if (!silent)
-		printk("VFS: Can't find an ext2 filesystem on dev %s.\n",
-		       sb->s_id);
+		ext2_msg(sb, KERN_ERR,
+			"error: can't find an ext2 filesystem on dev %s.",
+			sb->s_id);
 	goto failed_mount;
 failed_mount3:
 	percpu_counter_destroy(&sbi->s_freeblocks_counter);
@@ -1121,8 +1137,24 @@ static void ext2_sync_super(struct super_block *sb, struct ext2_super_block *es)
 static int ext2_sync_fs(struct super_block *sb, int wait)
 {
 	struct ext2_super_block *es = EXT2_SB(sb)->s_es;
+	struct buffer_head *sbh = EXT2_SB(sb)->s_sbh;
 
 	lock_kernel();
+	if (buffer_write_io_error(sbh)) {
+		/*
+		 * Oh, dear.  A previous attempt to write the
+		 * superblock failed.  This could happen because the
+		 * USB device was yanked out.  Or it could happen to
+		 * be a transient write error and maybe the block will
+		 * be remapped.  Nothing we can do but to retry the
+		 * write and hope for the best.
+		 */
+		ext2_msg(sb, KERN_ERR,
+		       "previous I/O error to superblock detected\n");
+		clear_buffer_write_io_error(sbh);
+		set_buffer_uptodate(sbh);
+	}
+
 	if (es->s_state & cpu_to_le16(EXT2_VALID_FS)) {
 		ext2_debug("setting valid to 0\n");
 		es->s_state &= cpu_to_le16(~EXT2_VALID_FS);
@@ -1170,7 +1202,7 @@ static int ext2_remount (struct super_block * sb, int * flags, char * data)
 	/*
 	 * Allow the "check" option to be passed as a remount option.
 	 */
-	if (!parse_options (data, sbi)) {
+	if (!parse_options(data, sb)) {
 		err = -EINVAL;
 		goto restore_opts;
 	}
@@ -1182,7 +1214,8 @@ static int ext2_remount (struct super_block * sb, int * flags, char * data)
 				    EXT2_MOUNT_XIP if not */
 
 	if ((ext2_use_xip(sb)) && (sb->s_blocksize != PAGE_SIZE)) {
-		printk("XIP: Unsupported blocksize\n");
+		ext2_msg(sb, KERN_WARNING,
+			"warning: unsupported blocksize for xip");
 		err = -EINVAL;
 		goto restore_opts;
 	}
@@ -1191,8 +1224,8 @@ static int ext2_remount (struct super_block * sb, int * flags, char * data)
 	if (((sbi->s_mount_opt & EXT2_MOUNT_XIP) !=
 	    (old_mount_opt & EXT2_MOUNT_XIP)) &&
 	    invalidate_inodes(sb)) {
-		ext2_warning(sb, __func__, "refusing change of xip flag "
-			     "with busy inodes while remounting");
+		ext2_msg(sb, KERN_WARNING, "warning: refusing change of "
+			 "xip flag with busy inodes while remounting");
 		sbi->s_mount_opt &= ~EXT2_MOUNT_XIP;
 		sbi->s_mount_opt |= old_mount_opt & EXT2_MOUNT_XIP;
 	}
@@ -1216,9 +1249,10 @@ static int ext2_remount (struct super_block * sb, int * flags, char * data)
 		__le32 ret = EXT2_HAS_RO_COMPAT_FEATURE(sb,
 					       ~EXT2_FEATURE_RO_COMPAT_SUPP);
 		if (ret) {
-			printk("EXT2-fs: %s: couldn't remount RDWR because of "
-			       "unsupported optional features (%x).\n",
-			       sb->s_id, le32_to_cpu(ret));
+			ext2_msg(sb, KERN_WARNING,
+				"warning: couldn't remount RDWR because of "
+				"unsupported optional features (%x).",
+				le32_to_cpu(ret));
 			err = -EROFS;
 			goto restore_opts;
 		}
diff --git a/fs/ext2/xip.c b/fs/ext2/xip.c
index c18fbf3e406..322a56b2dfb 100644
--- a/fs/ext2/xip.c
+++ b/fs/ext2/xip.c
@@ -69,8 +69,9 @@ void ext2_xip_verify_sb(struct super_block *sb)
 	if ((sbi->s_mount_opt & EXT2_MOUNT_XIP) &&
 	    !sb->s_bdev->bd_disk->fops->direct_access) {
 		sbi->s_mount_opt &= (~EXT2_MOUNT_XIP);
-		ext2_warning(sb, __func__,
-			     "ignoring xip option - not supported by bdev");
+		ext2_msg(sb, KERN_WARNING,
+			     "warning: ignoring xip option - "
+			     "not supported by bdev");
 	}
 }
 
diff --git a/fs/ext3/inode.c b/fs/ext3/inode.c
index 2db95777890..ad14227f509 100644
--- a/fs/ext3/inode.c
+++ b/fs/ext3/inode.c
@@ -1151,6 +1151,16 @@ static int do_journal_get_write_access(handle_t *handle,
 	return ext3_journal_get_write_access(handle, bh);
 }
 
+/*
+ * Truncate blocks that were not used by write. We have to truncate the
+ * pagecache as well so that corresponding buffers get properly unmapped.
+ */
+static void ext3_truncate_failed_write(struct inode *inode)
+{
+	truncate_inode_pages(inode->i_mapping, inode->i_size);
+	ext3_truncate(inode);
+}
+
 static int ext3_write_begin(struct file *file, struct address_space *mapping,
 				loff_t pos, unsigned len, unsigned flags,
 				struct page **pagep, void **fsdata)
@@ -1209,7 +1219,7 @@ write_begin_failed:
 		unlock_page(page);
 		page_cache_release(page);
 		if (pos + len > inode->i_size)
-			ext3_truncate(inode);
+			ext3_truncate_failed_write(inode);
 	}
 	if (ret == -ENOSPC && ext3_should_retry_alloc(inode->i_sb, &retries))
 		goto retry;
@@ -1304,7 +1314,7 @@ static int ext3_ordered_write_end(struct file *file,
 	page_cache_release(page);
 
 	if (pos + len > inode->i_size)
-		ext3_truncate(inode);
+		ext3_truncate_failed_write(inode);
 	return ret ? ret : copied;
 }
 
@@ -1330,7 +1340,7 @@ static int ext3_writeback_write_end(struct file *file,
 	page_cache_release(page);
 
 	if (pos + len > inode->i_size)
-		ext3_truncate(inode);
+		ext3_truncate_failed_write(inode);
 	return ret ? ret : copied;
 }
 
@@ -1383,7 +1393,7 @@ static int ext3_journalled_write_end(struct file *file,
 	page_cache_release(page);
 
 	if (pos + len > inode->i_size)
-		ext3_truncate(inode);
+		ext3_truncate_failed_write(inode);
 	return ret ? ret : copied;
 }
 
diff --git a/fs/ext3/resize.c b/fs/ext3/resize.c
index 8359e7b3dc8..5f83b617917 100644
--- a/fs/ext3/resize.c
+++ b/fs/ext3/resize.c
@@ -266,7 +266,7 @@ static int setup_new_group_blocks(struct super_block *sb,
 			goto exit_bh;
 
 		if (IS_ERR(gdb = bclean(handle, sb, block))) {
-			err = PTR_ERR(bh);
+			err = PTR_ERR(gdb);
 			goto exit_bh;
 		}
 		ext3_journal_dirty_metadata(handle, gdb);
diff --git a/fs/ext3/super.c b/fs/ext3/super.c
index 427496c4767..7ad1e8c30bd 100644
--- a/fs/ext3/super.c
+++ b/fs/ext3/super.c
@@ -135,12 +135,24 @@ void ext3_journal_abort_handle(const char *caller, const char *err_fn,
 	if (is_handle_aborted(handle))
 		return;
 
-	printk(KERN_ERR "%s: aborting transaction: %s in %s\n",
-	       caller, errstr, err_fn);
+	printk(KERN_ERR "EXT3-fs: %s: aborting transaction: %s in %s\n",
+		caller, errstr, err_fn);
 
 	journal_abort_handle(handle);
 }
 
+void ext3_msg(struct super_block *sb, const char *prefix,
+		const char *fmt, ...)
+{
+	va_list args;
+
+	va_start(args, fmt);
+	printk("%sEXT3-fs (%s): ", prefix, sb->s_id);
+	vprintk(fmt, args);
+	printk("\n");
+	va_end(args);
+}
+
 /* Deal with the reporting of failure conditions on a filesystem such as
  * inconsistencies detected or read IO failures.
  *
@@ -174,12 +186,13 @@ static void ext3_handle_error(struct super_block *sb)
 			journal_abort(journal, -EIO);
 	}
 	if (test_opt (sb, ERRORS_RO)) {
-		printk (KERN_CRIT "Remounting filesystem read-only\n");
+		ext3_msg(sb, KERN_CRIT,
+			"error: remounting filesystem read-only");
 		sb->s_flags |= MS_RDONLY;
 	}
 	ext3_commit_super(sb, es, 1);
 	if (test_opt(sb, ERRORS_PANIC))
-		panic("EXT3-fs (device %s): panic forced after error\n",
+		panic("EXT3-fs (%s): panic forced after error\n",
 			sb->s_id);
 }
 
@@ -247,8 +260,7 @@ void __ext3_std_error (struct super_block * sb, const char * function,
 		return;
 
 	errstr = ext3_decode_error(sb, errno, nbuf);
-	printk (KERN_CRIT "EXT3-fs error (device %s) in %s: %s\n",
-		sb->s_id, function, errstr);
+	ext3_msg(sb, KERN_CRIT, "error in %s: %s", function, errstr);
 
 	ext3_handle_error(sb);
 }
@@ -268,21 +280,20 @@ void ext3_abort (struct super_block * sb, const char * function,
 {
 	va_list args;
 
-	printk (KERN_CRIT "ext3_abort called.\n");
-
 	va_start(args, fmt);
-	printk(KERN_CRIT "EXT3-fs error (device %s): %s: ",sb->s_id, function);
+	printk(KERN_CRIT "EXT3-fs (%s): error: %s: ", sb->s_id, function);
 	vprintk(fmt, args);
 	printk("\n");
 	va_end(args);
 
 	if (test_opt(sb, ERRORS_PANIC))
-		panic("EXT3-fs panic from previous error\n");
+		panic("EXT3-fs: panic from previous error\n");
 
 	if (sb->s_flags & MS_RDONLY)
 		return;
 
-	printk(KERN_CRIT "Remounting filesystem read-only\n");
+	ext3_msg(sb, KERN_CRIT,
+		"error: remounting filesystem read-only");
 	EXT3_SB(sb)->s_mount_state |= EXT3_ERROR_FS;
 	sb->s_flags |= MS_RDONLY;
 	EXT3_SB(sb)->s_mount_opt |= EXT3_MOUNT_ABORT;
@@ -296,7 +307,7 @@ void ext3_warning (struct super_block * sb, const char * function,
 	va_list args;
 
 	va_start(args, fmt);
-	printk(KERN_WARNING "EXT3-fs warning (device %s): %s: ",
+	printk(KERN_WARNING "EXT3-fs (%s): warning: %s: ",
 	       sb->s_id, function);
 	vprintk(fmt, args);
 	printk("\n");
@@ -310,10 +321,