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Diffstat (limited to 'fs/ext4/super.c')
-rw-r--r--fs/ext4/super.c58
1 files changed, 35 insertions, 23 deletions
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index c7d39da7e733..33e7c08c9529 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -265,10 +265,19 @@ struct buffer_head *ext4_sb_bread_unmovable(struct super_block *sb,
return __ext4_sb_bread_gfp(sb, block, 0, gfp);
}
+struct buffer_head *ext4_sb_bread_nofail(struct super_block *sb,
+ sector_t block)
+{
+ gfp_t gfp = mapping_gfp_constraint(sb->s_bdev->bd_mapping,
+ ~__GFP_FS) | __GFP_MOVABLE | __GFP_NOFAIL;
+
+ return __ext4_sb_bread_gfp(sb, block, 0, gfp);
+}
+
void ext4_sb_breadahead_unmovable(struct super_block *sb, sector_t block)
{
struct buffer_head *bh = bdev_getblk(sb->s_bdev, block,
- sb->s_blocksize, GFP_NOWAIT | __GFP_NOWARN);
+ sb->s_blocksize, GFP_NOWAIT);
if (likely(bh)) {
if (trylock_buffer(bh))
@@ -1417,7 +1426,7 @@ static struct inode *ext4_alloc_inode(struct super_block *sb)
static int ext4_drop_inode(struct inode *inode)
{
- int drop = generic_drop_inode(inode);
+ int drop = inode_generic_drop(inode);
if (!drop)
drop = fscrypt_drop_inode(inode);
@@ -1438,9 +1447,9 @@ static void ext4_free_in_core_inode(struct inode *inode)
static void ext4_destroy_inode(struct inode *inode)
{
- if (!list_empty(&(EXT4_I(inode)->i_orphan))) {
+ if (ext4_inode_orphan_tracked(inode)) {
ext4_msg(inode->i_sb, KERN_ERR,
- "Inode %lu (%p): orphan list check failed!",
+ "Inode %lu (%p): inode tracked as orphan!",
inode->i_ino, EXT4_I(inode));
print_hex_dump(KERN_INFO, "", DUMP_PREFIX_ADDRESS, 16, 4,
EXT4_I(inode), sizeof(struct ext4_inode_info),
@@ -1470,6 +1479,12 @@ static void init_once(void *foo)
init_rwsem(&ei->i_data_sem);
inode_init_once(&ei->vfs_inode);
ext4_fc_init_inode(&ei->vfs_inode);
+#ifdef CONFIG_FS_ENCRYPTION
+ ei->i_crypt_info = NULL;
+#endif
+#ifdef CONFIG_FS_VERITY
+ ei->i_verity_info = NULL;
+#endif
}
static int __init init_inodecache(void)
@@ -1998,6 +2013,9 @@ int ext4_init_fs_context(struct fs_context *fc)
fc->fs_private = ctx;
fc->ops = &ext4_context_ops;
+ /* i_version is always enabled now */
+ fc->sb_flags |= SB_I_VERSION;
+
return 0;
}
@@ -2457,7 +2475,7 @@ static int parse_apply_sb_mount_options(struct super_block *sb,
struct ext4_fs_context *m_ctx)
{
struct ext4_sb_info *sbi = EXT4_SB(sb);
- char *s_mount_opts = NULL;
+ char s_mount_opts[65];
struct ext4_fs_context *s_ctx = NULL;
struct fs_context *fc = NULL;
int ret = -ENOMEM;
@@ -2465,15 +2483,11 @@ static int parse_apply_sb_mount_options(struct super_block *sb,
if (!sbi->s_es->s_mount_opts[0])
return 0;
- s_mount_opts = kstrndup(sbi->s_es->s_mount_opts,
- sizeof(sbi->s_es->s_mount_opts),
- GFP_KERNEL);
- if (!s_mount_opts)
- return ret;
+ strscpy_pad(s_mount_opts, sbi->s_es->s_mount_opts);
fc = kzalloc(sizeof(struct fs_context), GFP_KERNEL);
if (!fc)
- goto out_free;
+ return -ENOMEM;
s_ctx = kzalloc(sizeof(struct ext4_fs_context), GFP_KERNEL);
if (!s_ctx)
@@ -2505,11 +2519,8 @@ parse_failed:
ret = 0;
out_free:
- if (fc) {
- ext4_fc_free(fc);
- kfree(fc);
- }
- kfree(s_mount_opts);
+ ext4_fc_free(fc);
+ kfree(fc);
return ret;
}
@@ -2955,11 +2966,11 @@ static int _ext4_show_options(struct seq_file *seq, struct super_block *sb,
}
if (nodefs || !uid_eq(sbi->s_resuid, make_kuid(&init_user_ns, EXT4_DEF_RESUID)) ||
- le16_to_cpu(es->s_def_resuid) != EXT4_DEF_RESUID)
+ ext4_get_resuid(es) != EXT4_DEF_RESUID)
SEQ_OPTS_PRINT("resuid=%u",
from_kuid_munged(&init_user_ns, sbi->s_resuid));
if (nodefs || !gid_eq(sbi->s_resgid, make_kgid(&init_user_ns, EXT4_DEF_RESGID)) ||
- le16_to_cpu(es->s_def_resgid) != EXT4_DEF_RESGID)
+ ext4_get_resgid(es) != EXT4_DEF_RESGID)
SEQ_OPTS_PRINT("resgid=%u",
from_kgid_munged(&init_user_ns, sbi->s_resgid));
def_errors = nodefs ? -1 : le16_to_cpu(es->s_errors);
@@ -2975,6 +2986,8 @@ static int _ext4_show_options(struct seq_file *seq, struct super_block *sb,
SEQ_OPTS_PRINT("min_batch_time=%u", sbi->s_min_batch_time);
if (nodefs || sbi->s_max_batch_time != EXT4_DEF_MAX_BATCH_TIME)
SEQ_OPTS_PRINT("max_batch_time=%u", sbi->s_max_batch_time);
+ if (nodefs && sb->s_flags & SB_I_VERSION)
+ SEQ_OPTS_PUTS("i_version");
if (nodefs || sbi->s_stripe)
SEQ_OPTS_PRINT("stripe=%lu", sbi->s_stripe);
if (nodefs || EXT4_MOUNT_DATA_FLAGS &
@@ -5272,8 +5285,8 @@ static int __ext4_fill_super(struct fs_context *fc, struct super_block *sb)
ext4_set_def_opts(sb, es);
- sbi->s_resuid = make_kuid(&init_user_ns, le16_to_cpu(es->s_def_resuid));
- sbi->s_resgid = make_kgid(&init_user_ns, le16_to_cpu(es->s_def_resgid));
+ sbi->s_resuid = make_kuid(&init_user_ns, ext4_get_resuid(es));
+ sbi->s_resgid = make_kgid(&init_user_ns, ext4_get_resuid(es));
sbi->s_commit_interval = JBD2_DEFAULT_MAX_COMMIT_AGE * HZ;
sbi->s_min_batch_time = EXT4_DEF_MIN_BATCH_TIME;
sbi->s_max_batch_time = EXT4_DEF_MAX_BATCH_TIME;
@@ -5314,9 +5327,6 @@ static int __ext4_fill_super(struct fs_context *fc, struct super_block *sb)
sb->s_flags = (sb->s_flags & ~SB_POSIXACL) |
(test_opt(sb, POSIX_ACL) ? SB_POSIXACL : 0);
- /* i_version is always enabled now */
- sb->s_flags |= SB_I_VERSION;
-
/* HSM events are allowed by default. */
sb->s_iflags |= SB_I_ALLOW_HSM;
@@ -5414,6 +5424,8 @@ static int __ext4_fill_super(struct fs_context *fc, struct super_block *sb)
err = ext4_load_and_init_journal(sb, es, ctx);
if (err)
goto failed_mount3a;
+ if (bdev_read_only(sb->s_bdev))
+ needs_recovery = 0;
} else if (test_opt(sb, NOLOAD) && !sb_rdonly(sb) &&
ext4_has_feature_journal_needs_recovery(sb)) {
ext4_msg(sb, KERN_ERR, "required journal recovery "
generated by cgit v1.2.3 (git 2.46.0) at 2025-10-05 12:03:10 +0000