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f2fs: fix quota_sync failure due to f2fs_lock_op

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f2fs_quota_sync() uses f2fs_lock_op() before flushing dirty pages, but
f2fs_write_data_page() returns EAGAIN.
Likewise dentry blocks, we can just bypass getting the lock, since quota
blocks are also maintained by checkpoint.

Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Jaegeuk Kim 2020-04-09 10:25:21 -07:00
parent 8b83ac81f4
commit 435cbab95e
2 changed files with 7 additions and 5 deletions
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8
fs/f2fs/compress.c
View File

@ -985,7 +985,7 @@ static int f2fs_write_compressed_pages(struct compress_ctx *cc,
loff_t psize;
int i, err;
if (!f2fs_trylock_op(sbi))
if (!IS_NOQUOTA(inode) && !f2fs_trylock_op(sbi))
return -EAGAIN;
set_new_dnode(&dn, cc->inode, NULL, NULL, 0);
@ -1092,7 +1092,8 @@ unlock_continue:
set_inode_flag(inode, FI_FIRST_BLOCK_WRITTEN);
f2fs_put_dnode(&dn);
f2fs_unlock_op(sbi);
if (!IS_NOQUOTA(inode))
f2fs_unlock_op(sbi);
spin_lock(&fi->i_size_lock);
if (fi->last_disk_size < psize)
@ -1118,7 +1119,8 @@ out_put_cic:
out_put_dnode:
f2fs_put_dnode(&dn);
out_unlock_op:
f2fs_unlock_op(sbi);
if (!IS_NOQUOTA(inode))
f2fs_unlock_op(sbi);
return -EAGAIN;
}

4
fs/f2fs/data.c
View File

@ -2659,8 +2659,8 @@ write:
f2fs_available_free_memory(sbi, BASE_CHECK))))
goto redirty_out;
/* Dentry blocks are controlled by checkpoint */
if (S_ISDIR(inode->i_mode)) {
/* Dentry/quota blocks are controlled by checkpoint */
if (S_ISDIR(inode->i_mode) || IS_NOQUOTA(inode)) {
fio.need_lock = LOCK_DONE;
err = f2fs_do_write_data_page(&fio);
goto done;