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Diffstat (limited to 'fs/ext4/super.c')
-rw-r--r--fs/ext4/super.c74
1 files changed, 45 insertions, 29 deletions
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 66845a08a87a..a9448db1cf7e 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -438,6 +438,9 @@ void __ext4_error(struct super_block *sb, const char *function,
struct va_format vaf;
va_list args;
+ if (unlikely(ext4_forced_shutdown(EXT4_SB(sb))))
+ return;
+
if (ext4_error_ratelimit(sb)) {
va_start(args, fmt);
vaf.fmt = fmt;
@@ -459,6 +462,9 @@ void __ext4_error_inode(struct inode *inode, const char *function,
struct va_format vaf;
struct ext4_super_block *es = EXT4_SB(inode->i_sb)->s_es;
+ if (unlikely(ext4_forced_shutdown(EXT4_SB(inode->i_sb))))
+ return;
+
es->s_last_error_ino = cpu_to_le32(inode->i_ino);
es->s_last_error_block = cpu_to_le64(block);
if (ext4_error_ratelimit(inode->i_sb)) {
@@ -491,6 +497,9 @@ void __ext4_error_file(struct file *file, const char *function,
struct inode *inode = file_inode(file);
char pathname[80], *path;
+ if (unlikely(ext4_forced_shutdown(EXT4_SB(inode->i_sb))))
+ return;
+
es = EXT4_SB(inode->i_sb)->s_es;
es->s_last_error_ino = cpu_to_le32(inode->i_ino);
if (ext4_error_ratelimit(inode->i_sb)) {
@@ -567,6 +576,9 @@ void __ext4_std_error(struct super_block *sb, const char *function,
char nbuf[16];
const char *errstr;
+ if (unlikely(ext4_forced_shutdown(EXT4_SB(sb))))
+ return;
+
/* Special case: if the error is EROFS, and we're not already
* inside a transaction, then there's really no point in logging
* an error. */
@@ -600,6 +612,9 @@ void __ext4_abort(struct super_block *sb, const char *function,
struct va_format vaf;
va_list args;
+ if (unlikely(ext4_forced_shutdown(EXT4_SB(sb))))
+ return;
+
save_error_info(sb, function, line);
va_start(args, fmt);
vaf.fmt = fmt;
@@ -695,6 +710,9 @@ __acquires(bitlock)
va_list args;
struct ext4_super_block *es = EXT4_SB(sb)->s_es;
+ if (unlikely(ext4_forced_shutdown(EXT4_SB(sb))))
+ return;
+
es->s_last_error_ino = cpu_to_le32(ino);
es->s_last_error_block = cpu_to_le64(block);
__save_error_info(sb, function, line);
@@ -825,6 +843,7 @@ static void ext4_put_super(struct super_block *sb)
{
struct ext4_sb_info *sbi = EXT4_SB(sb);
struct ext4_super_block *es = sbi->s_es;
+ int aborted = 0;
int i, err;
ext4_unregister_li_request(sb);
@@ -834,9 +853,10 @@ static void ext4_put_super(struct super_block *sb)
destroy_workqueue(sbi->rsv_conversion_wq);
if (sbi->s_journal) {
+ aborted = is_journal_aborted(sbi->s_journal);
err = jbd2_journal_destroy(sbi->s_journal);
sbi->s_journal = NULL;
- if (err < 0)
+ if ((err < 0) && !aborted)
ext4_abort(sb, "Couldn't clean up the journal");
}
@@ -847,7 +867,7 @@ static void ext4_put_super(struct super_block *sb)
ext4_mb_release(sb);
ext4_ext_release(sb);
- if (!(sb->s_flags & MS_RDONLY)) {
+ if (!(sb->s_flags & MS_RDONLY) && !aborted) {
ext4_clear_feature_journal_needs_recovery(sb);
es->s_state = cpu_to_le16(sbi->s_mount_state);
}
@@ -1100,23 +1120,16 @@ static int ext4_get_context(struct inode *inode, void *ctx, size_t len)
EXT4_XATTR_NAME_ENCRYPTION_CONTEXT, ctx, len);
}
-static int ext4_key_prefix(struct inode *inode, u8 **key)
-{
- *key = EXT4_SB(inode->i_sb)->key_prefix;
- return EXT4_SB(inode->i_sb)->key_prefix_size;
-}
-
-static int ext4_prepare_context(struct inode *inode)
-{
- return ext4_convert_inline_data(inode);
-}
-
static int ext4_set_context(struct inode *inode, const void *ctx, size_t len,
void *fs_data)
{
handle_t *handle = fs_data;
int res, res2, retries = 0;
+ res = ext4_convert_inline_data(inode);
+ if (res)
+ return res;
+
/*
* If a journal handle was specified, then the encryption context is
* being set on a new inode via inheritance and is part of a larger
@@ -1179,10 +1192,9 @@ static unsigned ext4_max_namelen(struct inode *inode)
EXT4_NAME_LEN;
}
-static struct fscrypt_operations ext4_cryptops = {
+static const struct fscrypt_operations ext4_cryptops = {
+ .key_prefix = "ext4:",
.get_context = ext4_get_context,
- .key_prefix = ext4_key_prefix,
- .prepare_context = ext4_prepare_context,
.set_context = ext4_set_context,
.dummy_context = ext4_dummy_context,
.is_encrypted = ext4_encrypted_inode,
@@ -1190,7 +1202,7 @@ static struct fscrypt_operations ext4_cryptops = {
.max_namelen = ext4_max_namelen,
};
#else
-static struct fscrypt_operations ext4_cryptops = {
+static const struct fscrypt_operations ext4_cryptops = {
.is_encrypted = ext4_encrypted_inode,
};
#endif
@@ -1290,7 +1302,7 @@ enum {
Opt_noquota, Opt_barrier, Opt_nobarrier, Opt_err,
Opt_usrquota, Opt_grpquota, Opt_prjquota, Opt_i_version, Opt_dax,
Opt_stripe, Opt_delalloc, Opt_nodelalloc, Opt_mblk_io_submit,
- Opt_lazytime, Opt_nolazytime,
+ Opt_lazytime, Opt_nolazytime, Opt_debug_want_extra_isize,
Opt_nomblk_io_submit, Opt_block_validity, Opt_noblock_validity,
Opt_inode_readahead_blks, Opt_journal_ioprio,
Opt_dioread_nolock, Opt_dioread_lock,
@@ -1358,6 +1370,7 @@ static const match_table_t tokens = {
{Opt_delalloc, "delalloc"},
{Opt_lazytime, "lazytime"},
{Opt_nolazytime, "nolazytime"},
+ {Opt_debug_want_extra_isize, "debug_want_extra_isize=%u"},
{Opt_nodelalloc, "nodelalloc"},
{Opt_removed, "mblk_io_submit"},
{Opt_removed, "nomblk_io_submit"},
@@ -1563,6 +1576,7 @@ static const struct mount_opts {
#endif
{Opt_nouid32, EXT4_MOUNT_NO_UID32, MOPT_SET},
{Opt_debug, EXT4_MOUNT_DEBUG, MOPT_SET},
+ {Opt_debug_want_extra_isize, 0, MOPT_GTE0},
{Opt_quota, EXT4_MOUNT_QUOTA | EXT4_MOUNT_USRQUOTA, MOPT_SET | MOPT_Q},
{Opt_usrquota, EXT4_MOUNT_QUOTA | EXT4_MOUNT_USRQUOTA,
MOPT_SET | MOPT_Q},
@@ -1676,6 +1690,8 @@ static int handle_mount_opt(struct super_block *sb, char *opt, int token,
if (arg == 0)
arg = JBD2_DEFAULT_MAX_COMMIT_AGE;
sbi->s_commit_interval = HZ * arg;
+ } else if (token == Opt_debug_want_extra_isize) {
+ sbi->s_want_extra_isize = arg;
} else if (token == Opt_max_batch_time) {
sbi->s_max_batch_time = arg;
} else if (token == Opt_min_batch_time) {
@@ -2619,9 +2635,9 @@ static unsigned long ext4_get_stripe_size(struct ext4_sb_info *sbi)
if (sbi->s_stripe && sbi->s_stripe <= sbi->s_blocks_per_group)
ret = sbi->s_stripe;
- else if (stripe_width <= sbi->s_blocks_per_group)
+ else if (stripe_width && stripe_width <= sbi->s_blocks_per_group)
ret = stripe_width;
- else if (stride <= sbi->s_blocks_per_group)
+ else if (stride && stride <= sbi->s_blocks_per_group)
ret = stride;
else
ret = 0;
@@ -3842,7 +3858,7 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
db_count = (sbi->s_groups_count + EXT4_DESC_PER_BLOCK(sb) - 1) /
EXT4_DESC_PER_BLOCK(sb);
if (ext4_has_feature_meta_bg(sb)) {
- if (le32_to_cpu(es->s_first_meta_bg) >= db_count) {
+ if (le32_to_cpu(es->s_first_meta_bg) > db_count) {
ext4_msg(sb, KERN_WARNING,
"first meta block group too large: %u "
"(group descriptor block count %u)",
@@ -3925,7 +3941,8 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
* root first: it may be modified in the journal!
*/
if (!test_opt(sb, NOLOAD) && ext4_has_feature_journal(sb)) {
- if (ext4_load_journal(sb, es, journal_devnum))
+ err = ext4_load_journal(sb, es, journal_devnum);
+ if (err)
goto failed_mount3a;
} else if (test_opt(sb, NOLOAD) && !(sb->s_flags & MS_RDONLY) &&
ext4_has_feature_journal_needs_recovery(sb)) {
@@ -4087,7 +4104,8 @@ no_journal:
sb->s_flags |= MS_RDONLY;
/* determine the minimum size of new large inodes, if present */
- if (sbi->s_inode_size > EXT4_GOOD_OLD_INODE_SIZE) {
+ if (sbi->s_inode_size > EXT4_GOOD_OLD_INODE_SIZE &&
+ sbi->s_want_extra_isize == 0) {
sbi->s_want_extra_isize = sizeof(struct ext4_inode) -
EXT4_GOOD_OLD_INODE_SIZE;
if (ext4_has_feature_extra_isize(sb)) {
@@ -4218,11 +4236,6 @@ no_journal:
ratelimit_state_init(&sbi->s_msg_ratelimit_state, 5 * HZ, 10);
kfree(orig_data);
-#ifdef CONFIG_EXT4_FS_ENCRYPTION
- memcpy(sbi->key_prefix, EXT4_KEY_DESC_PREFIX,
- EXT4_KEY_DESC_PREFIX_SIZE);
- sbi->key_prefix_size = EXT4_KEY_DESC_PREFIX_SIZE;
-#endif
return 0;
cantfind_ext4:
@@ -4720,6 +4733,9 @@ static int ext4_sync_fs(struct super_block *sb, int wait)
bool needs_barrier = false;
struct ext4_sb_info *sbi = EXT4_SB(sb);
+ if (unlikely(ext4_forced_shutdown(EXT4_SB(sb))))
+ return 0;
+
trace_ext4_sync_fs(sb, wait);
flush_workqueue(sbi->rsv_conversion_wq);
/*
@@ -4803,7 +4819,7 @@ out:
*/
static int ext4_unfreeze(struct super_block *sb)
{
- if (sb->s_flags & MS_RDONLY)
+ if ((sb->s_flags & MS_RDONLY) || ext4_forced_shutdown(EXT4_SB(sb)))
return 0;
if (EXT4_SB(sb)->s_journal) {
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-29 12:10:05 +0100