UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

fs: remove __sync_filesystem 

There is no clear benefit in having this helper vs just open coding it.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Link: https://lore.kernel.org/r/20211019062530.2174626-2-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig 2021-10-19 08:25:24 +02:00 committed by Jens Axboe
parent 8e9f666a6e
commit 9a208ba5c9
1 changed files with 17 additions and 21 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

38
fs/sync.c
View File

@ -21,25 +21,6 @@
#define VALID_FLAGS (SYNC_FILE_RANGE_WAIT_BEFORE|SYNC_FILE_RANGE_WRITE| \
SYNC_FILE_RANGE_WAIT_AFTER)
/*
* Do the filesystem syncing work. For simple filesystems
* writeback_inodes_sb(sb) just dirties buffers with inodes so we have to
* submit IO for these buffers via __sync_blockdev(). This also speeds up the
* wait == 1 case since in that case write_inode() functions do
* sync_dirty_buffer() and thus effectively write one block at a time.
*/
static int __sync_filesystem(struct super_block *sb, int wait)
{
if (wait)
sync_inodes_sb(sb);
else
writeback_inodes_sb(sb, WB_REASON_SYNC);
if (sb->s_op->sync_fs)
sb->s_op->sync_fs(sb, wait);
return __sync_blockdev(sb->s_bdev, wait);
}
/*
* Write out and wait upon all dirty data associated with this
* superblock. Filesystem data as well as the underlying block
@ -61,10 +42,25 @@ int sync_filesystem(struct super_block *sb)
if (sb_rdonly(sb))
return 0;
ret = __sync_filesystem(sb, 0);
/*
* Do the filesystem syncing work. For simple filesystems
* writeback_inodes_sb(sb) just dirties buffers with inodes so we have
* to submit I/O for these buffers via __sync_blockdev(). This also
* speeds up the wait == 1 case since in that case write_inode()
* methods call sync_dirty_buffer() and thus effectively write one block
* at a time.
*/
writeback_inodes_sb(sb, WB_REASON_SYNC);
if (sb->s_op->sync_fs)
sb->s_op->sync_fs(sb, 0);
ret = __sync_blockdev(sb->s_bdev, 0);
if (ret < 0)
return ret;
return __sync_filesystem(sb, 1);
sync_inodes_sb(sb);
if (sb->s_op->sync_fs)
sb->s_op->sync_fs(sb, 1);
return __sync_blockdev(sb->s_bdev, 1);
}
EXPORT_SYMBOL(sync_filesystem);