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authorJeff Mahoney <jeffm@suse.com>2012-03-01 14:56:26 +0100
committerDavid Sterba <dsterba@suse.cz>2012-03-22 01:45:34 +0100
commit143bede527b054a271053f41bfaca2b57baa9408 (patch)
tree95c71d3705c73bf98e7a1547da35e70a44703c1e /fs/btrfs/scrub.c
parentffd7b33944f4573a063af7a55f8a5199c8185665 (diff)
downloadop-kernel-dev-143bede527b054a271053f41bfaca2b57baa9408.zip
op-kernel-dev-143bede527b054a271053f41bfaca2b57baa9408.tar.gz
btrfs: return void in functions without error conditions
Signed-off-by: Jeff Mahoney <jeffm@suse.com>
Diffstat (limited to 'fs/btrfs/scrub.c')
-rw-r--r--fs/btrfs/scrub.c36
1 files changed, 10 insertions, 26 deletions
diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c
index abc0fbf..a2e8aa4 100644
--- a/fs/btrfs/scrub.c
+++ b/fs/btrfs/scrub.c
@@ -948,12 +948,12 @@ static int scrub_checksum_super(struct scrub_bio *sbio, void *buffer)
return fail;
}
-static int scrub_submit(struct scrub_dev *sdev)
+static void scrub_submit(struct scrub_dev *sdev)
{
struct scrub_bio *sbio;
if (sdev->curr == -1)
- return 0;
+ return;
sbio = sdev->bios[sdev->curr];
sbio->err = 0;
@@ -961,8 +961,6 @@ static int scrub_submit(struct scrub_dev *sdev)
atomic_inc(&sdev->in_flight);
btrfsic_submit_bio(READ, sbio->bio);
-
- return 0;
}
static int scrub_page(struct scrub_dev *sdev, u64 logical, u64 len,
@@ -1008,9 +1006,7 @@ again:
sbio->bio = bio;
} else if (sbio->physical + sbio->count * PAGE_SIZE != physical ||
sbio->logical + sbio->count * PAGE_SIZE != logical) {
- ret = scrub_submit(sdev);
- if (ret)
- return ret;
+ scrub_submit(sdev);
goto again;
}
sbio->spag[sbio->count].flags = flags;
@@ -1025,9 +1021,7 @@ again:
ret = bio_add_page(sbio->bio, page, PAGE_SIZE, 0);
if (!ret) {
__free_page(page);
- ret = scrub_submit(sdev);
- if (ret)
- return ret;
+ scrub_submit(sdev);
goto again;
}
@@ -1036,13 +1030,8 @@ again:
memcpy(sbio->spag[sbio->count].csum, csum, sdev->csum_size);
}
++sbio->count;
- if (sbio->count == SCRUB_PAGES_PER_BIO || force) {
- int ret;
-
- ret = scrub_submit(sdev);
- if (ret)
- return ret;
- }
+ if (sbio->count == SCRUB_PAGES_PER_BIO || force)
+ scrub_submit(sdev);
return 0;
}
@@ -1656,7 +1645,7 @@ int btrfs_scrub_dev(struct btrfs_root *root, u64 devid, u64 start, u64 end,
return ret;
}
-int btrfs_scrub_pause(struct btrfs_root *root)
+void btrfs_scrub_pause(struct btrfs_root *root)
{
struct btrfs_fs_info *fs_info = root->fs_info;
@@ -1671,29 +1660,24 @@ int btrfs_scrub_pause(struct btrfs_root *root)
mutex_lock(&fs_info->scrub_lock);
}
mutex_unlock(&fs_info->scrub_lock);
-
- return 0;
}
-int btrfs_scrub_continue(struct btrfs_root *root)
+void btrfs_scrub_continue(struct btrfs_root *root)
{
struct btrfs_fs_info *fs_info = root->fs_info;
atomic_dec(&fs_info->scrub_pause_req);
wake_up(&fs_info->scrub_pause_wait);
- return 0;
}
-int btrfs_scrub_pause_super(struct btrfs_root *root)
+void btrfs_scrub_pause_super(struct btrfs_root *root)
{
down_write(&root->fs_info->scrub_super_lock);
- return 0;
}
-int btrfs_scrub_continue_super(struct btrfs_root *root)
+void btrfs_scrub_continue_super(struct btrfs_root *root)
{
up_write(&root->fs_info->scrub_super_lock);
- return 0;
}
int btrfs_scrub_cancel(struct btrfs_root *root)
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