diff --git a/fs/erofs/internal.h b/fs/erofs/internal.h index 6ac5f68911e9..1a5eb6193932 100644 --- a/fs/erofs/internal.h +++ b/fs/erofs/internal.h @@ -155,6 +155,7 @@ struct erofs_sb_info { /* fscache support */ struct fscache_volume *volume; + struct erofs_fscache *s_fscache; }; #define EROFS_SB(sb) ((struct erofs_sb_info *)(sb)->s_fs_info) diff --git a/fs/erofs/super.c b/fs/erofs/super.c index 402f919eef6b..84b976636d22 100644 --- a/fs/erofs/super.c +++ b/fs/erofs/super.c @@ -628,6 +628,9 @@ static int erofs_fc_fill_super(struct super_block *sb, struct fs_context *fc) int err; sb->s_magic = EROFS_SUPER_MAGIC; + sb->s_flags |= SB_RDONLY | SB_NOATIME; + sb->s_maxbytes = MAX_LFS_FILESIZE; + sb->s_op = &erofs_sops; sbi = kzalloc(sizeof(*sbi), GFP_KERNEL); if (!sbi) @@ -645,6 +648,11 @@ static int erofs_fc_fill_super(struct super_block *sb, struct fs_context *fc) err = erofs_fscache_register_fs(sb); if (err) return err; + + err = erofs_fscache_register_cookie(sb, &sbi->s_fscache, + sbi->opt.fsid, true); + if (err) + return err; } else { if (!sb_set_blocksize(sb, EROFS_BLKSIZ)) { erofs_err(sb, "failed to set erofs blksize"); @@ -667,11 +675,8 @@ static int erofs_fc_fill_super(struct super_block *sb, struct fs_context *fc) clear_opt(&sbi->opt, DAX_ALWAYS); } } - sb->s_flags |= SB_RDONLY | SB_NOATIME; - sb->s_maxbytes = MAX_LFS_FILESIZE; - sb->s_time_gran = 1; - sb->s_op = &erofs_sops; + sb->s_time_gran = 1; sb->s_xattr = erofs_xattr_handlers; sb->s_export_op = &erofs_export_ops; @@ -812,6 +817,7 @@ static void erofs_kill_sb(struct super_block *sb) erofs_free_dev_context(sbi->devs); fs_put_dax(sbi->dax_dev); + erofs_fscache_unregister_cookie(&sbi->s_fscache); erofs_fscache_unregister_fs(sb); kfree(sbi); sb->s_fs_info = NULL; @@ -830,6 +836,7 @@ static void erofs_put_super(struct super_block *sb) iput(sbi->managed_cache); sbi->managed_cache = NULL; #endif + erofs_fscache_unregister_cookie(&sbi->s_fscache); } static struct file_system_type erofs_fs_type = {