[PATCH 4.19 099/190] btrfs: scrub: pass fs_info to scrub_setup_ctx

Greg Kroah-Hartman
2019-09-13T13:15:55Z

[ Upstream commit 92f7ba434f51e8e9317f1d166105889aa230abd2 ]

We can pass fs_info directly as this is the only member of btrfs_device
that's bing used inside scrub_setup_ctx.

Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
fs/btrfs/scrub.c | 9 ++++-----
1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c
index 5a2d10ba747f7..efaad3e1b295a 100644
--- a/fs/btrfs/scrub.c
+++ b/fs/btrfs/scrub.c
@@ -578,12 +578,11 @@ static void scrub_put_ctx(struct scrub_ctx *sctx)
scrub_free_ctx(sctx);
}

-static noinline_for_stack
-struct scrub_ctx *scrub_setup_ctx(struct btrfs_device *dev, int is_dev_replace)
+static noinline_for_stack struct scrub_ctx *scrub_setup_ctx(
+ struct btrfs_fs_info *fs_info, int is_dev_replace)
{
struct scrub_ctx *sctx;
int i;
- struct btrfs_fs_info *fs_info = dev->fs_info;

sctx = kzalloc(sizeof(*sctx), GFP_KERNEL);
if (!sctx)
@@ -592,7 +591,7 @@ struct scrub_ctx *scrub_setup_ctx(struct btrfs_device *dev, int is_dev_replace)
sctx->is_dev_replace = is_dev_replace;
sctx->pages_per_rd_bio = SCRUB_PAGES_PER_RD_BIO;
sctx->curr = -1;
- sctx->fs_info = dev->fs_info;
+ sctx->fs_info = fs_info;
for (i = 0; i < SCRUB_BIOS_PER_SCTX; ++i) {
struct scrub_bio *sbio;

@@ -3881,7 +3880,7 @@ int btrfs_scrub_dev(struct btrfs_fs_info *fs_info, u64 devid, u64 start,
return ret;
}

- sctx = scrub_setup_ctx(dev, is_dev_replace);
+ sctx = scrub_setup_ctx(fs_info, is_dev_replace);
if (IS_ERR(sctx)) {
mutex_unlock(&fs_info->scrub_lock);
mutex_unlock(&fs_info->fs_devices->device_list_mutex);
--
2.20.1