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| author | Anand Jain <anand.jain@oracle.com> | 2018-11-11 22:22:21 +0800 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2018-12-17 14:51:35 +0100 |
| commit | fe97e2e173afb61f1bb889c45f9597102c9f4849 (patch) | |
| tree | d5947fbc1a7f966ac30f9df28da139f2bdea05bf /fs/btrfs | |
| parent | b47dda2ef6d793b67fd5979032dcd106e3f0a5c9 (diff) | |
| download | linux-fe97e2e173afb61f1bb889c45f9597102c9f4849.tar.bz2 | |
btrfs: dev-replace: replace's scrub must not be running in suspended state
When the replace state is in the suspended state, btrfs_scrub_cancel()
should fail with -ENOTCONN as there is no scrub running. As a safety
catch check if btrfs_scrub_cancel() returns -ENOTCONN and assert if it
doesn't.
Signed-off-by: Anand Jain <anand.jain@oracle.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs')
| -rw-r--r-- | fs/btrfs/dev-replace.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/btrfs/dev-replace.c b/fs/btrfs/dev-replace.c index c0878ff8185a..a84affa425d4 100644 --- a/fs/btrfs/dev-replace.c +++ b/fs/btrfs/dev-replace.c @@ -840,7 +840,9 @@ int btrfs_dev_replace_cancel(struct btrfs_fs_info *fs_info) btrfs_dev_replace_write_unlock(dev_replace); - btrfs_scrub_cancel(fs_info); + /* Scrub for replace must not be running in suspended state */ + ret = btrfs_scrub_cancel(fs_info); + ASSERT(ret != -ENOTCONN); trans = btrfs_start_transaction(root, 0); if (IS_ERR(trans)) { |