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| author |   Hou Tao <houtao1@huawei.com> | 2019-07-02 22:35:48 +0800 |
|---|---|---|
| committer |   Song Liu <songliubraving@fb.com> | 2019-08-07 10:25:02 -0700 |
| commit | 4675719d0f47d18bc13db62bd21cffd4e4ec8001 (patch) | |
| tree | edaccec92cd9d7816f75bf6237c74ce180824371 /drivers/md/raid1.c | |
| parent | block: stop exporting bio_map_kern (diff) | |
| download | linux-dev-4675719d0f47d18bc13db62bd21cffd4e4ec8001.tar.xz linux-dev-4675719d0f47d18bc13db62bd21cffd4e4ec8001.zip | |
raid1: use an int as the return value of raise_barrier()
Using a sector_t as the return value is misleading, because
raise_barrier() only return 0 or -EINTR.
Also add comments for the return values of raise_barrier().
Signed-off-by: Hou Tao <houtao1@huawei.com>
Signed-off-by: Song Liu <songliubraving@fb.com>
Diffstat (limited to 'drivers/md/raid1.c')
| -rw-r--r-- | drivers/md/raid1.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index 34e26834ad28..108c75006cef 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -872,8 +872,11 @@ static void flush_pending_writes(struct r1conf *conf) * backgroup IO calls must call raise_barrier. Once that returns * there is no normal IO happeing. It must arrange to call * lower_barrier when the particular background IO completes. + * + * If resync/recovery is interrupted, returns -EINTR; + * Otherwise, returns 0. */ -static sector_t raise_barrier(struct r1conf *conf, sector_t sector_nr) +static int raise_barrier(struct r1conf *conf, sector_t sector_nr) { int idx = sector_to_idx(sector_nr); |