diff options
| author | Huang Jianan <huangjianan@oppo.com> | 2021-12-01 17:54:36 +0300 |
|---|---|---|
| committer | Gao Xiang <hsiangkao@linux.alibaba.com> | 2021-12-08 04:40:37 +0300 |
| commit | 168e9a76200c54c584a23aa88c62c53c4b0edd66 (patch) | |
| tree | b52022a586612b096a6d942136262acbee1a685d /fs/erofs/super.c | |
| parent | 7e508f2ca8bbda8cabbd4753bc727a7f66837a12 (diff) | |
| download | linux-168e9a76200c54c584a23aa88c62c53c4b0edd66.tar.xz | |
erofs: add sysfs interface
Add sysfs interface to configure erofs related parameters later.
Link: https://lore.kernel.org/r/20211201145436.4357-1-huangjianan@oppo.com
Reviewed-by: Chao Yu <chao@kernel.org>
Reviewed-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Signed-off-by: Huang Jianan <huangjianan@oppo.com>
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Diffstat (limited to 'fs/erofs/super.c')
| -rw-r--r-- | fs/erofs/super.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/fs/erofs/super.c b/fs/erofs/super.c index 6a969b1e0ee6..abc1da5d1719 100644 --- a/fs/erofs/super.c +++ b/fs/erofs/super.c @@ -695,6 +695,10 @@ static int erofs_fc_fill_super(struct super_block *sb, struct fs_context *fc) if (err) return err; + err = erofs_register_sysfs(sb); + if (err) + return err; + erofs_info(sb, "mounted with root inode @ nid %llu.", ROOT_NID(sbi)); return 0; } @@ -808,6 +812,7 @@ static void erofs_put_super(struct super_block *sb) DBG_BUGON(!sbi); + erofs_unregister_sysfs(sb); erofs_shrinker_unregister(sb); #ifdef CONFIG_EROFS_FS_ZIP iput(sbi->managed_cache); @@ -852,6 +857,10 @@ static int __init erofs_module_init(void) if (err) goto zip_err; + err = erofs_init_sysfs(); + if (err) + goto sysfs_err; + err = register_filesystem(&erofs_fs_type); if (err) goto fs_err; @@ -859,6 +868,8 @@ static int __init erofs_module_init(void) return 0; fs_err: + erofs_exit_sysfs(); +sysfs_err: z_erofs_exit_zip_subsystem(); zip_err: z_erofs_lzma_exit(); @@ -877,6 +888,7 @@ static void __exit erofs_module_exit(void) /* Ensure all RCU free inodes / pclusters are safe to be destroyed. */ rcu_barrier(); + erofs_exit_sysfs(); z_erofs_exit_zip_subsystem(); z_erofs_lzma_exit(); erofs_exit_shrinker(); |