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Diffstat (limited to 'fs/erofs/super.c')
-rw-r--r--fs/erofs/super.c44
1 files changed, 18 insertions, 26 deletions
diff --git a/fs/erofs/super.c b/fs/erofs/super.c
index 566f68ddfa36..44a24d573f1f 100644
--- a/fs/erofs/super.c
+++ b/fs/erofs/super.c
@@ -19,10 +19,8 @@
#include <trace/events/erofs.h>
static struct kmem_cache *erofs_inode_cachep __read_mostly;
-struct file_system_type erofs_fs_type;
-void _erofs_err(struct super_block *sb, const char *function,
- const char *fmt, ...)
+void _erofs_err(struct super_block *sb, const char *func, const char *fmt, ...)
{
struct va_format vaf;
va_list args;
@@ -32,12 +30,11 @@ void _erofs_err(struct super_block *sb, const char *function,
vaf.fmt = fmt;
vaf.va = &args;
- pr_err("(device %s): %s: %pV", sb->s_id, function, &vaf);
+ pr_err("(device %s): %s: %pV", sb->s_id, func, &vaf);
va_end(args);
}
-void _erofs_info(struct super_block *sb, const char *function,
- const char *fmt, ...)
+void _erofs_info(struct super_block *sb, const char *func, const char *fmt, ...)
{
struct va_format vaf;
va_list args;
@@ -102,11 +99,9 @@ static void erofs_free_inode(struct inode *inode)
{
struct erofs_inode *vi = EROFS_I(inode);
- /* be careful of RCU symlink path */
if (inode->i_op == &erofs_fast_symlink_iops)
kfree(inode->i_link);
kfree(vi->xattr_shared_xattrs);
-
kmem_cache_free(erofs_inode_cachep, vi);
}
@@ -119,8 +114,7 @@ static bool check_layout_compatibility(struct super_block *sb,
/* check if current kernel meets all mandatory requirements */
if (feature & (~EROFS_ALL_FEATURE_INCOMPAT)) {
- erofs_err(sb,
- "unidentified incompatible feature %x, please upgrade kernel version",
+ erofs_err(sb, "unidentified incompatible feature %x, please upgrade kernel",
feature & ~EROFS_ALL_FEATURE_INCOMPAT);
return false;
}
@@ -201,6 +195,9 @@ static int erofs_load_compr_cfgs(struct super_block *sb,
case Z_EROFS_COMPRESSION_LZMA:
ret = z_erofs_load_lzma_config(sb, dsb, data, size);
break;
+ case Z_EROFS_COMPRESSION_DEFLATE:
+ ret = z_erofs_load_deflate_config(sb, dsb, data, size);
+ break;
default:
DBG_BUGON(1);
ret = -EFAULT;
@@ -388,6 +385,7 @@ static int erofs_read_superblock(struct super_block *sb)
sbi->xattr_blkaddr = le32_to_cpu(dsb->xattr_blkaddr);
sbi->xattr_prefix_start = le32_to_cpu(dsb->xattr_prefix_start);
sbi->xattr_prefix_count = dsb->xattr_prefix_count;
+ sbi->xattr_filter_reserved = dsb->xattr_filter_reserved;
#endif
sbi->islotbits = ilog2(sizeof(struct erofs_inode_compact));
sbi->root_nid = le16_to_cpu(dsb->root_nid);
@@ -420,16 +418,11 @@ static int erofs_read_superblock(struct super_block *sb)
if (erofs_is_fscache_mode(sb))
erofs_info(sb, "EXPERIMENTAL fscache-based on-demand read feature in use. Use at your own risk!");
- if (erofs_sb_has_fragments(sbi))
- erofs_info(sb, "EXPERIMENTAL compressed fragments feature in use. Use at your own risk!");
- if (erofs_sb_has_dedupe(sbi))
- erofs_info(sb, "EXPERIMENTAL global deduplication feature in use. Use at your own risk!");
out:
erofs_put_metabuf(&buf);
return ret;
}
-/* set up default EROFS parameters */
static void erofs_default_options(struct erofs_fs_context *ctx)
{
#ifdef CONFIG_EROFS_FS_ZIP
@@ -731,7 +724,6 @@ static int erofs_fc_fill_super(struct super_block *sb, struct fs_context *fc)
xa_init(&sbi->managed_pslots);
#endif
- /* get the root inode */
inode = erofs_iget(sb, ROOT_NID(sbi));
if (IS_ERR(inode))
return PTR_ERR(inode);
@@ -748,7 +740,6 @@ static int erofs_fc_fill_super(struct super_block *sb, struct fs_context *fc)
return -ENOMEM;
erofs_shrinker_register(sb);
- /* sb->s_umount is already locked, SB_ACTIVE and SB_BORN are not set */
if (erofs_sb_has_fragments(sbi) && sbi->packed_nid) {
sbi->packed_inode = erofs_iget(sb, sbi->packed_nid);
if (IS_ERR(sbi->packed_inode)) {
@@ -881,10 +872,6 @@ static int erofs_init_fs_context(struct fs_context *fc)
return 0;
}
-/*
- * could be triggered after deactivate_locked_super()
- * is called, thus including umount and failed to initialize.
- */
static void erofs_kill_sb(struct super_block *sb)
{
struct erofs_sb_info *sbi;
@@ -913,7 +900,6 @@ static void erofs_kill_sb(struct super_block *sb)
sb->s_fs_info = NULL;
}
-/* called when ->s_root is non-NULL */
static void erofs_put_super(struct super_block *sb)
{
struct erofs_sb_info *const sbi = EROFS_SB(sb);
@@ -950,9 +936,9 @@ static int __init erofs_module_init(void)
erofs_check_ondisk_layout_definitions();
erofs_inode_cachep = kmem_cache_create("erofs_inode",
- sizeof(struct erofs_inode), 0,
- SLAB_RECLAIM_ACCOUNT,
- erofs_inode_init_once);
+ sizeof(struct erofs_inode), 0,
+ SLAB_RECLAIM_ACCOUNT | SLAB_MEM_SPREAD | SLAB_ACCOUNT,
+ erofs_inode_init_once);
if (!erofs_inode_cachep)
return -ENOMEM;
@@ -964,6 +950,10 @@ static int __init erofs_module_init(void)
if (err)
goto lzma_err;
+ err = z_erofs_deflate_init();
+ if (err)
+ goto deflate_err;
+
erofs_pcpubuf_init();
err = z_erofs_init_zip_subsystem();
if (err)
@@ -984,6 +974,8 @@ fs_err:
sysfs_err:
z_erofs_exit_zip_subsystem();
zip_err:
+ z_erofs_deflate_exit();
+deflate_err:
z_erofs_lzma_exit();
lzma_err:
erofs_exit_shrinker();
@@ -1001,13 +993,13 @@ static void __exit erofs_module_exit(void)
erofs_exit_sysfs();
z_erofs_exit_zip_subsystem();
+ z_erofs_deflate_exit();
z_erofs_lzma_exit();
erofs_exit_shrinker();
kmem_cache_destroy(erofs_inode_cachep);
erofs_pcpubuf_exit();
}
-/* get filesystem statistics */
static int erofs_statfs(struct dentry *dentry, struct kstatfs *buf)
{
struct super_block *sb = dentry->d_sb;
generated by cgit (git 2.34.1) at 2024-06-19 18:52:54 +0000