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Commit 2314b07c authored by Alexey Fisher's avatar Alexey Fisher Committed by Jan Kara
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ext2: Unify log messages in ext2 

make messages produced by ext2 more unified. It should be
easy to parse.

dmesg before patch:
[ 4893.684892] reservations ON
[ 4893.684896] xip option not supported
[ 4893.684961] EXT2-fs warning: mounting ext3 filesystem as ext2
[ 4893.684964] EXT2-fs warning: maximal mount count reached, running
e2fsck is recommended
[ 4893.684990] EXT II FS: 0.5b, 95/08/09, bs=1024, fs=1024, gc=2,
bpg=8192, ipg=1280, mo=80010]

dmesg after patch:
[ 4893.684892] EXT2-fs (loop0): reservations ON
[ 4893.684896] EXT2-fs (loop0): xip option not supported
[ 4893.684961] EXT2-fs (loop0): warning: mounting ext3 filesystem as
ext2
[ 4893.684964] EXT2-fs (loop0): warning: maximal mount count reached,
running e2fsck is recommended
[ 4893.684990] EXT2-fs (loop0): 0.5b, 95/08/09, bs=1024, fs=1024, gc=2,
bpg=8192, ipg=1280, mo=80010]
Signed-off-by: default avatarAlexey Fisher <bug-track@fisher-privat.net>
Reviewed-by: default avatarAndreas Dilger <adilger@sun.com>
Signed-off-by: default avatarJan Kara <jack@suse.cz>
parent dee1d3b6
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Inline Side-by-side
Showing with 101 additions and 80 deletions
fs/ext2/ext2.h
View file @ 2314b07c
......@@ -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 *);
......
fs/ext2/inode.c
View file @ 2314b07c
......@@ -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));
......
fs/ext2/super.c
View file @ 2314b07c
......@@ -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);
......@@ -1170,7 +1186,7 @@ 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 +1198,8 @@ 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 +1208,8 @@ 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 +1233,10 @@ 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;
}
......
fs/ext2/xip.c
View file @ 2314b07c
......@@ -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");
}
}
......
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