From 2f7c68cb55ecb7331f2381deb497c27155f32faf Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 03 Jan 2024 09:43:39 +0000
Subject: [PATCH] update kernel to 5.10.198
---
kernel/fs/ext4/super.c | 309 +++++++++++++++++++++++++++------------------------
1 files changed, 165 insertions(+), 144 deletions(-)
diff --git a/kernel/fs/ext4/super.c b/kernel/fs/ext4/super.c
index 8904e21..2c0a592 100644
--- a/kernel/fs/ext4/super.c
+++ b/kernel/fs/ext4/super.c
@@ -417,104 +417,6 @@
#define ext4_get_tstamp(es, tstamp) \
__ext4_get_tstamp(&(es)->tstamp, &(es)->tstamp ## _hi)
-static void __save_error_info(struct super_block *sb, int error,
- __u32 ino, __u64 block,
- const char *func, unsigned int line)
-{
- struct ext4_super_block *es = EXT4_SB(sb)->s_es;
- int err;
-
- EXT4_SB(sb)->s_mount_state |= EXT4_ERROR_FS;
- if (bdev_read_only(sb->s_bdev))
- return;
- es->s_state |= cpu_to_le16(EXT4_ERROR_FS);
- ext4_update_tstamp(es, s_last_error_time);
- strncpy(es->s_last_error_func, func, sizeof(es->s_last_error_func));
- es->s_last_error_line = cpu_to_le32(line);
- es->s_last_error_ino = cpu_to_le32(ino);
- es->s_last_error_block = cpu_to_le64(block);
- switch (error) {
- case EIO:
- err = EXT4_ERR_EIO;
- break;
- case ENOMEM:
- err = EXT4_ERR_ENOMEM;
- break;
- case EFSBADCRC:
- err = EXT4_ERR_EFSBADCRC;
- break;
- case 0:
- case EFSCORRUPTED:
- err = EXT4_ERR_EFSCORRUPTED;
- break;
- case ENOSPC:
- err = EXT4_ERR_ENOSPC;
- break;
- case ENOKEY:
- err = EXT4_ERR_ENOKEY;
- break;
- case EROFS:
- err = EXT4_ERR_EROFS;
- break;
- case EFBIG:
- err = EXT4_ERR_EFBIG;
- break;
- case EEXIST:
- err = EXT4_ERR_EEXIST;
- break;
- case ERANGE:
- err = EXT4_ERR_ERANGE;
- break;
- case EOVERFLOW:
- err = EXT4_ERR_EOVERFLOW;
- break;
- case EBUSY:
- err = EXT4_ERR_EBUSY;
- break;
- case ENOTDIR:
- err = EXT4_ERR_ENOTDIR;
- break;
- case ENOTEMPTY:
- err = EXT4_ERR_ENOTEMPTY;
- break;
- case ESHUTDOWN:
- err = EXT4_ERR_ESHUTDOWN;
- break;
- case EFAULT:
- err = EXT4_ERR_EFAULT;
- break;
- default:
- err = EXT4_ERR_UNKNOWN;
- }
- es->s_last_error_errcode = err;
- if (!es->s_first_error_time) {
- es->s_first_error_time = es->s_last_error_time;
- es->s_first_error_time_hi = es->s_last_error_time_hi;
- strncpy(es->s_first_error_func, func,
- sizeof(es->s_first_error_func));
- es->s_first_error_line = cpu_to_le32(line);
- es->s_first_error_ino = es->s_last_error_ino;
- es->s_first_error_block = es->s_last_error_block;
- es->s_first_error_errcode = es->s_last_error_errcode;
- }
- /*
- * Start the daily error reporting function if it hasn't been
- * started already
- */
- if (!es->s_error_count)
- mod_timer(&EXT4_SB(sb)->s_err_report, jiffies + 24*60*60*HZ);
- le32_add_cpu(&es->s_error_count, 1);
-}
-
-static void save_error_info(struct super_block *sb, int error,
- __u32 ino, __u64 block,
- const char *func, unsigned int line)
-{
- __save_error_info(sb, error, ino, block, func, line);
- if (!bdev_read_only(sb->s_bdev))
- ext4_commit_super(sb, 1);
-}
-
/*
* The del_gendisk() function uninitializes the disk-specific data
* structures, including the bdi structure, without telling anyone
@@ -641,6 +543,89 @@
{
return system_state == SYSTEM_HALT || system_state == SYSTEM_POWER_OFF
|| system_state == SYSTEM_RESTART;
+}
+
+struct ext4_err_translation {
+ int code;
+ int errno;
+};
+
+#define EXT4_ERR_TRANSLATE(err) { .code = EXT4_ERR_##err, .errno = err }
+
+static struct ext4_err_translation err_translation[] = {
+ EXT4_ERR_TRANSLATE(EIO),
+ EXT4_ERR_TRANSLATE(ENOMEM),
+ EXT4_ERR_TRANSLATE(EFSBADCRC),
+ EXT4_ERR_TRANSLATE(EFSCORRUPTED),
+ EXT4_ERR_TRANSLATE(ENOSPC),
+ EXT4_ERR_TRANSLATE(ENOKEY),
+ EXT4_ERR_TRANSLATE(EROFS),
+ EXT4_ERR_TRANSLATE(EFBIG),
+ EXT4_ERR_TRANSLATE(EEXIST),
+ EXT4_ERR_TRANSLATE(ERANGE),
+ EXT4_ERR_TRANSLATE(EOVERFLOW),
+ EXT4_ERR_TRANSLATE(EBUSY),
+ EXT4_ERR_TRANSLATE(ENOTDIR),
+ EXT4_ERR_TRANSLATE(ENOTEMPTY),
+ EXT4_ERR_TRANSLATE(ESHUTDOWN),
+ EXT4_ERR_TRANSLATE(EFAULT),
+};
+
+static int ext4_errno_to_code(int errno)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(err_translation); i++)
+ if (err_translation[i].errno == errno)
+ return err_translation[i].code;
+ return EXT4_ERR_UNKNOWN;
+}
+
+static void __save_error_info(struct super_block *sb, int error,
+ __u32 ino, __u64 block,
+ const char *func, unsigned int line)
+{
+ struct ext4_super_block *es = EXT4_SB(sb)->s_es;
+
+ EXT4_SB(sb)->s_mount_state |= EXT4_ERROR_FS;
+ if (bdev_read_only(sb->s_bdev))
+ return;
+ /* We default to EFSCORRUPTED error... */
+ if (error == 0)
+ error = EFSCORRUPTED;
+ es->s_state |= cpu_to_le16(EXT4_ERROR_FS);
+ ext4_update_tstamp(es, s_last_error_time);
+ strncpy(es->s_last_error_func, func, sizeof(es->s_last_error_func));
+ es->s_last_error_line = cpu_to_le32(line);
+ es->s_last_error_ino = cpu_to_le32(ino);
+ es->s_last_error_block = cpu_to_le64(block);
+ es->s_last_error_errcode = ext4_errno_to_code(error);
+ if (!es->s_first_error_time) {
+ es->s_first_error_time = es->s_last_error_time;
+ es->s_first_error_time_hi = es->s_last_error_time_hi;
+ strncpy(es->s_first_error_func, func,
+ sizeof(es->s_first_error_func));
+ es->s_first_error_line = cpu_to_le32(line);
+ es->s_first_error_ino = es->s_last_error_ino;
+ es->s_first_error_block = es->s_last_error_block;
+ es->s_first_error_errcode = es->s_last_error_errcode;
+ }
+ /*
+ * Start the daily error reporting function if it hasn't been
+ * started already
+ */
+ if (!es->s_error_count)
+ mod_timer(&EXT4_SB(sb)->s_err_report, jiffies + 24*60*60*HZ);
+ le32_add_cpu(&es->s_error_count, 1);
+}
+
+static void save_error_info(struct super_block *sb, int error,
+ __u32 ino, __u64 block,
+ const char *func, unsigned int line)
+{
+ __save_error_info(sb, error, ino, block, func, line);
+ if (!bdev_read_only(sb->s_bdev))
+ ext4_commit_super(sb, 1);
}
/* Deal with the reporting of failure conditions on a filesystem such as
@@ -1026,6 +1011,8 @@
struct ext4_group_desc *gdp = ext4_get_group_desc(sb, group, NULL);
int ret;
+ if (!grp || !gdp)
+ return;
if (flags & EXT4_GROUP_INFO_BBITMAP_CORRUPT) {
ret = ext4_test_and_set_bit(EXT4_GROUP_INFO_BBITMAP_CORRUPT_BIT,
&grp->bb_state);
@@ -1104,6 +1091,12 @@
struct block_device *bdev;
bdev = sbi->s_journal_bdev;
if (bdev) {
+ /*
+ * Invalidate the journal device's buffers. We don't want them
+ * floating about in memory - the physical journal device may
+ * hotswapped, and it breaks the `ro-after' testing code.
+ */
+ invalidate_bdev(bdev);
ext4_blkdev_put(bdev);
sbi->s_journal_bdev = NULL;
}
@@ -1243,13 +1236,7 @@
sync_blockdev(sb->s_bdev);
invalidate_bdev(sb->s_bdev);
if (sbi->s_journal_bdev && sbi->s_journal_bdev != sb->s_bdev) {
- /*
- * Invalidate the journal device's buffers. We don't want them
- * floating about in memory - the physical journal device may
- * hotswapped, and it breaks the `ro-after' testing code.
- */
sync_blockdev(sbi->s_journal_bdev);
- invalidate_bdev(sbi->s_journal_bdev);
ext4_blkdev_remove(sbi);
}
@@ -1294,6 +1281,7 @@
return NULL;
inode_set_iversion(&ei->vfs_inode, 1);
+ ei->i_flags = 0;
spin_lock_init(&ei->i_raw_lock);
INIT_LIST_HEAD(&ei->i_prealloc_list);
atomic_set(&ei->i_prealloc_active, 0);
@@ -2845,11 +2833,9 @@
crc = crc16(crc, (__u8 *)gdp, offset);
offset += sizeof(gdp->bg_checksum); /* skip checksum */
/* for checksum of struct ext4_group_desc do the rest...*/
- if (ext4_has_feature_64bit(sb) &&
- offset < le16_to_cpu(sbi->s_es->s_desc_size))
+ if (ext4_has_feature_64bit(sb) && offset < sbi->s_desc_size)
crc = crc16(crc, (__u8 *)gdp + offset,
- le16_to_cpu(sbi->s_es->s_desc_size) -
- offset);
+ sbi->s_desc_size - offset);
out:
return cpu_to_le16(crc);
@@ -4787,9 +4773,11 @@
needs_recovery = (es->s_last_orphan != 0 ||
ext4_has_feature_journal_needs_recovery(sb));
- if (ext4_has_feature_mmp(sb) && !sb_rdonly(sb))
- if (ext4_multi_mount_protect(sb, le64_to_cpu(es->s_mmp_block)))
+ if (ext4_has_feature_mmp(sb) && !sb_rdonly(sb)) {
+ err = ext4_multi_mount_protect(sb, le64_to_cpu(es->s_mmp_block));
+ if (err)
goto failed_mount3a;
+ }
/*
* The first inode we look at is the journal inode. Don't try
@@ -4803,30 +4791,31 @@
ext4_has_feature_journal_needs_recovery(sb)) {
ext4_msg(sb, KERN_ERR, "required journal recovery "
"suppressed and not mounted read-only");
- goto failed_mount_wq;
+ goto failed_mount3a;
} else {
/* Nojournal mode, all journal mount options are illegal */
- if (test_opt2(sb, EXPLICIT_JOURNAL_CHECKSUM)) {
- ext4_msg(sb, KERN_ERR, "can't mount with "
- "journal_checksum, fs mounted w/o journal");
- goto failed_mount_wq;
- }
if (test_opt(sb, JOURNAL_ASYNC_COMMIT)) {
ext4_msg(sb, KERN_ERR, "can't mount with "
"journal_async_commit, fs mounted w/o journal");
- goto failed_mount_wq;
+ goto failed_mount3a;
+ }
+
+ if (test_opt2(sb, EXPLICIT_JOURNAL_CHECKSUM)) {
+ ext4_msg(sb, KERN_ERR, "can't mount with "
+ "journal_checksum, fs mounted w/o journal");
+ goto failed_mount3a;
}
if (sbi->s_commit_interval != JBD2_DEFAULT_MAX_COMMIT_AGE*HZ) {
ext4_msg(sb, KERN_ERR, "can't mount with "
"commit=%lu, fs mounted w/o journal",
sbi->s_commit_interval / HZ);
- goto failed_mount_wq;
+ goto failed_mount3a;
}
if (EXT4_MOUNT_DATA_FLAGS &
(sbi->s_mount_opt ^ sbi->s_def_mount_opt)) {
ext4_msg(sb, KERN_ERR, "can't mount with "
"data=, fs mounted w/o journal");
- goto failed_mount_wq;
+ goto failed_mount3a;
}
sbi->s_def_mount_opt &= ~EXT4_MOUNT_JOURNAL_CHECKSUM;
clear_opt(sb, JOURNAL_CHECKSUM);
@@ -5206,6 +5195,7 @@
brelse(bh);
ext4_blkdev_remove(sbi);
out_fail:
+ invalidate_bdev(sb->s_bdev);
sb->s_fs_info = NULL;
kfree(sbi->s_blockgroup_lock);
out_free_base:
@@ -5265,7 +5255,7 @@
jbd_debug(2, "Journal inode found at %p: %lld bytes\n",
journal_inode, journal_inode->i_size);
- if (!S_ISREG(journal_inode->i_mode)) {
+ if (!S_ISREG(journal_inode->i_mode) || IS_ENCRYPTED(journal_inode)) {
ext4_msg(sb, KERN_ERR, "invalid journal inode");
iput(journal_inode);
return NULL;
@@ -5796,11 +5786,11 @@
struct ext4_sb_info *sbi = EXT4_SB(sb);
unsigned long old_sb_flags, vfs_flags;
struct ext4_mount_options old_opts;
- int enable_quota = 0;
ext4_group_t g;
unsigned int journal_ioprio = DEFAULT_JOURNAL_IOPRIO;
int err = 0;
#ifdef CONFIG_QUOTA
+ int enable_quota = 0;
int i, j;
char *to_free[EXT4_MAXQUOTAS];
#endif
@@ -5992,26 +5982,16 @@
goto restore_opts;
sb->s_flags &= ~SB_RDONLY;
- if (ext4_has_feature_mmp(sb))
- if (ext4_multi_mount_protect(sb,
- le64_to_cpu(es->s_mmp_block))) {
- err = -EROFS;
+ if (ext4_has_feature_mmp(sb)) {
+ err = ext4_multi_mount_protect(sb,
+ le64_to_cpu(es->s_mmp_block));
+ if (err)
goto restore_opts;
- }
+ }
+#ifdef CONFIG_QUOTA
enable_quota = 1;
+#endif
}
- }
-
- /*
- * Reinitialize lazy itable initialization thread based on
- * current settings
- */
- if (sb_rdonly(sb) || !test_opt(sb, INIT_INODE_TABLE))
- ext4_unregister_li_request(sb);
- else {
- ext4_group_t first_not_zeroed;
- first_not_zeroed = ext4_has_uninit_itable(sb);
- ext4_register_li_request(sb, first_not_zeroed);
}
/*
@@ -6032,9 +6012,6 @@
}
#ifdef CONFIG_QUOTA
- /* Release old quota file names */
- for (i = 0; i < EXT4_MAXQUOTAS; i++)
- kfree(old_opts.s_qf_names[i]);
if (enable_quota) {
if (sb_any_quota_suspended(sb))
dquot_resume(sb, -1);
@@ -6044,9 +6021,24 @@
goto restore_opts;
}
}
+ /* Release old quota file names */
+ for (i = 0; i < EXT4_MAXQUOTAS; i++)
+ kfree(old_opts.s_qf_names[i]);
#endif
if (!test_opt(sb, BLOCK_VALIDITY) && sbi->s_system_blks)
ext4_release_system_zone(sb);
+
+ /*
+ * Reinitialize lazy itable initialization thread based on
+ * current settings
+ */
+ if (sb_rdonly(sb) || !test_opt(sb, INIT_INODE_TABLE))
+ ext4_unregister_li_request(sb);
+ else {
+ ext4_group_t first_not_zeroed;
+ first_not_zeroed = ext4_has_uninit_itable(sb);
+ ext4_register_li_request(sb, first_not_zeroed);
+ }
if (!ext4_has_feature_mmp(sb) || sb_rdonly(sb))
ext4_stop_mmpd(sbi);
@@ -6063,6 +6055,13 @@
return 0;
restore_opts:
+ /*
+ * If there was a failing r/w to ro transition, we may need to
+ * re-enable quota
+ */
+ if ((sb->s_flags & SB_RDONLY) && !(old_sb_flags & SB_RDONLY) &&
+ sb_any_quota_suspended(sb))
+ dquot_resume(sb, -1);
sb->s_flags = old_sb_flags;
sbi->s_mount_opt = old_opts.s_mount_opt;
sbi->s_mount_opt2 = old_opts.s_mount_opt2;
@@ -6374,6 +6373,20 @@
return err;
}
+static inline bool ext4_check_quota_inum(int type, unsigned long qf_inum)
+{
+ switch (type) {
+ case USRQUOTA:
+ return qf_inum == EXT4_USR_QUOTA_INO;
+ case GRPQUOTA:
+ return qf_inum == EXT4_GRP_QUOTA_INO;
+ case PRJQUOTA:
+ return qf_inum >= EXT4_GOOD_OLD_FIRST_INO;
+ default:
+ BUG();
+ }
+}
+
static int ext4_quota_enable(struct super_block *sb, int type, int format_id,
unsigned int flags)
{
@@ -6390,9 +6403,16 @@
if (!qf_inums[type])
return -EPERM;
+ if (!ext4_check_quota_inum(type, qf_inums[type])) {
+ ext4_error(sb, "Bad quota inum: %lu, type: %d",
+ qf_inums[type], type);
+ return -EUCLEAN;
+ }
+
qf_inode = ext4_iget(sb, qf_inums[type], EXT4_IGET_SPECIAL);
if (IS_ERR(qf_inode)) {
- ext4_error(sb, "Bad quota inode # %lu", qf_inums[type]);
+ ext4_error(sb, "Bad quota inode: %lu, type: %d",
+ qf_inums[type], type);
return PTR_ERR(qf_inode);
}
@@ -6431,8 +6451,9 @@
if (err) {
ext4_warning(sb,
"Failed to enable quota tracking "
- "(type=%d, err=%d). Please run "
- "e2fsck to fix.", type, err);
+ "(type=%d, err=%d, ino=%lu). "
+ "Please run e2fsck to fix.", type,
+ err, qf_inums[type]);
for (type--; type >= 0; type--) {
struct inode *inode;
--
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