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authorDarrick J. Wong <djwong@kernel.org>2022-01-30 17:53:16 +0100
committerDarrick J. Wong <djwong@kernel.org>2022-01-30 17:59:47 +0100
commit5679897eb104cec9e99609c3f045a0c20603da4c (patch)
tree4b138d97d9eb4719e22e6c7c40a6652c6f2eeb0e /fs/sync.c
parentvfs: make freeze_super abort when sync_filesystem returns error (diff)
downloadlinux-5679897eb104cec9e99609c3f045a0c20603da4c.tar.xz
linux-5679897eb104cec9e99609c3f045a0c20603da4c.zip
vfs: make sync_filesystem return errors from ->sync_fs
Strangely, sync_filesystem ignores the return code from the ->sync_fs call, which means that syscalls like syncfs(2) never see the error. This doesn't seem right, so fix that. Signed-off-by: Darrick J. Wong <djwong@kernel.org> Reviewed-by: Jan Kara <jack@suse.cz> Reviewed-by: Christoph Hellwig <hch@lst.de> Acked-by: Christian Brauner <brauner@kernel.org>
Diffstat (limited to 'fs/sync.c')
-rw-r--r--fs/sync.c18
1 files changed, 12 insertions, 6 deletions
diff --git a/fs/sync.c b/fs/sync.c
index 3ce8e2137f31..c7690016453e 100644
--- a/fs/sync.c
+++ b/fs/sync.c
@@ -29,7 +29,7 @@
*/
int sync_filesystem(struct super_block *sb)
{
- int ret;
+ int ret = 0;
/*
* We need to be protected against the filesystem going from
@@ -52,15 +52,21 @@ int sync_filesystem(struct super_block *sb)
* at a time.
*/
writeback_inodes_sb(sb, WB_REASON_SYNC);
- if (sb->s_op->sync_fs)
- sb->s_op->sync_fs(sb, 0);
+ if (sb->s_op->sync_fs) {
+ ret = sb->s_op->sync_fs(sb, 0);
+ if (ret)
+ return ret;
+ }
ret = sync_blockdev_nowait(sb->s_bdev);
- if (ret < 0)
+ if (ret)
return ret;
sync_inodes_sb(sb);
- if (sb->s_op->sync_fs)
- sb->s_op->sync_fs(sb, 1);
+ if (sb->s_op->sync_fs) {
+ ret = sb->s_op->sync_fs(sb, 1);
+ if (ret)
+ return ret;
+ }
return sync_blockdev(sb->s_bdev);
}
EXPORT_SYMBOL(sync_filesystem);