Hello, On Tue 21-07-15 16:37:31, Dongsheng Yang wrote: > Hi Atem, Richard and others, > This is a patchset to add quota supporting in ubifs. > [1/25] - [7/25] are working to make quotactl to support filesystems > which are running on char device. > > Others are about making ubifs to support quota > Please help to review or test it. Any comment is welcome :). > > Hi Jan Kara, > I am not sure I am using the quota APIs correctly, please > help to correct me if I am wrong. Well, the patches for cdev handling are more for Al Viro as a VFS maintainer. I can give you some feedback but he is the final arbiter to decide whether those patches get merged. So please CC him in the next posting. Honza > > Also you can get the code from: > https://github.com/yangdongsheng/linux.git ubifs_quota_v1 > > My simple testing is shown as below: > [root@atest-guest linux_compile]# mount -t ubifs -o usrquota,grpquota /dev/ubi0_0 /mnt/ubifs/ > [root@atest-guest linux_compile]# quotacheck -ug /mnt/ubifs > [root@atest-guest linux_compile]# quotaon /mnt/ubifs > [root@atest-guest linux_compile]# repquota /mnt/ubifs > *** Report for user quotas on device /dev/ubi0_0 > Block grace time: 7days; Inode grace time: 7days > Block limits File limits > User used soft hard grace used soft hard grace > ---------------------------------------------------------------------- > root -- 0 0 0 1 0 0 > [root@atest-guest linux_compile]# setquota root 10 10 3 3 /mnt/ubifs > [root@atest-guest linux_compile]# repquota /mnt/ubifs > *** Report for user quotas on device /dev/ubi0_0 > Block grace time: 7days; Inode grace time: 7days > Block limits File limits > User used soft hard grace used soft hard grace > ---------------------------------------------------------------------- > root -- 0 10 10 1 3 3 > [root@atest-guest linux_compile]# touch /mnt/ubifs/{1,11,111} > ubifs: warning, user file quota exceeded. > [root@atest-guest linux_compile]# repquota /mnt/ubifs > *** Report for user quotas on device /dev/ubi0_0 > Block grace time: 7days; Inode grace time: 7days > Block limits File limits > User used soft hard grace used soft hard grace > ---------------------------------------------------------------------- > root -+ 0 10 10 4 3 3 7days > [root@atest-guest linux_compile]# rm -rf /mnt/ubifs/1* > [root@atest-guest linux_compile]# repquota /mnt/ubifs > *** Report for user quotas on device /dev/ubi0_0 > Block grace time: 7days; Inode grace time: 7days > Block limits File limits > User used soft hard grace used soft hard grace > ---------------------------------------------------------------------- > root -- 0 10 10 1 3 3 > [root@atest-guest linux_compile]# dd if=/dev/urandom of=/mnt/ubifs/data bs=1K count=11 > ubifs: warning, user block quota exceeded. > 11+0 records in > 11+0 records out > 11264 bytes (11 kB) copied, 0.216498 s, 52.0 kB/s > [root@atest-guest linux_compile]# repquota /mnt/ubifs > *** Report for user quotas on device /dev/ubi0_0 > Block grace time: 7days; Inode grace time: 7days > Block limits File limits > User used soft hard grace used soft hard grace > ---------------------------------------------------------------------- > root +- 11 10 10 7days 2 3 3 > [root@atest-guest linux_compile]# rm -rf /mnt/ubifs/data > [root@atest-guest linux_compile]# repquota /mnt/ubifs > *** Report for user quotas on device /dev/ubi0_0 > Block grace time: 7days; Inode grace time: 7days > Block limits File limits > User used soft hard grace used soft hard grace > ---------------------------------------------------------------------- > root -- 0 10 10 1 3 3 > > > Dongsheng Yang (25): > fs: introduce a ->s_cdev field into struct super_block > ubi: introduce a interface to get cdev in ubi_volume > ubifs: fill sb->s_cdev in ubifs_fill_super() > fs: super: introduce the functions to get super by cdev reference > fs: char_dev: introduce lookup_cdev function to find cdev by name > fs: dquot: skip invalidate_bdev if bdev is NULL > fs: quota: make quota support fs which is running on char dev > ubifs: fix a typo in comment of ubifs_budget_req > ubifs: extend budget for blocks > ubifs: fill ->s_dev in ubifs_fill_super > ubifs: export read_block() from file.c > ubifs: introduce quota related mount options > ubifs: introduce a field named as budgeted to ubifs_inode > ubifs: implement IO functions for quota files > ubifs: disable quota in ubifs_put_super > ubifs: write quota back in ubifs_sync > ubifs: suspend & resume quota properly in ubifs_remount > ubifs: record quota information about inode in ubifs_new_inode > ubifs: free quota inode information in ubifs_evict_inode > ubifs: alloc quota space in ubifs_write_begin > ubifs: free quota space in do_truncation and unlink > ubifs: adapt quota space informatin in do_setattr > ubifs: transfer quota information in changing owner or group > ubifs: implement ubifs_qctl_operations for quotactl > ubifs: make ubifs to support quota > > drivers/mtd/ubi/kapi.c | 6 + > fs/char_dev.c | 72 ++++++++++ > fs/quota/dquot.c | 3 +- > fs/quota/quota.c | 30 +++-- > fs/super.c | 45 +++++++ > fs/ubifs/budget.c | 4 + > fs/ubifs/debug.c | 2 + > fs/ubifs/dir.c | 24 +++- > fs/ubifs/file.c | 56 +++++++- > fs/ubifs/ioctl.c | 1 + > fs/ubifs/super.c | 352 +++++++++++++++++++++++++++++++++++++++++++++++- > fs/ubifs/ubifs.h | 19 ++- > include/linux/fs.h | 5 + > include/linux/mtd/ubi.h | 1 + > 14 files changed, 597 insertions(+), 23 deletions(-) > > -- > 1.8.4.2 > > -- Jan Kara <jack@xxxxxxx> SUSE Labs, CR -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
