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| author | Kent Overstreet <kent.overstreet@linux.dev> | 2024-11-07 19:15:38 -0500 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@linux.dev> | 2024-12-21 01:36:17 -0500 |
| commit | 5c3911ac94229893b820315d0fde175c07fa28a4 (patch) | |
| tree | 18ac6a0bbc9dc0f379fb17f7cf4c92f441ad6409 /fs/bcachefs/super-io.c | |
| parent | bcachefs: Simplify code in bch2_dev_alloc() (diff) | |
| download | linux-5c3911ac94229893b820315d0fde175c07fa28a4.tar.gz linux-5c3911ac94229893b820315d0fde175c07fa28a4.zip | |
bcachefs: Don't use page allocator for sb_read_scratch
Kill another unnecessary dependency on PAGE_SIZE
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Diffstat (limited to 'fs/bcachefs/super-io.c')
| -rw-r--r-- | fs/bcachefs/super-io.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/fs/bcachefs/super-io.c b/fs/bcachefs/super-io.c index c83bd3dedb1b..4c29f8215d54 100644 --- a/fs/bcachefs/super-io.c +++ b/fs/bcachefs/super-io.c @@ -892,14 +892,15 @@ static void read_back_super(struct bch_fs *c, struct bch_dev *ca) struct bch_sb *sb = ca->disk_sb.sb; struct bio *bio = ca->disk_sb.bio; + memset(ca->sb_read_scratch, 0, BCH_SB_READ_SCRATCH_BUF_SIZE); + bio_reset(bio, ca->disk_sb.bdev, REQ_OP_READ|REQ_SYNC|REQ_META); bio->bi_iter.bi_sector = le64_to_cpu(sb->layout.sb_offset[0]); bio->bi_end_io = write_super_endio; bio->bi_private = ca; - bch2_bio_map(bio, ca->sb_read_scratch, PAGE_SIZE); + bch2_bio_map(bio, ca->sb_read_scratch, BCH_SB_READ_SCRATCH_BUF_SIZE); - this_cpu_add(ca->io_done->sectors[READ][BCH_DATA_sb], - bio_sectors(bio)); + this_cpu_add(ca->io_done->sectors[READ][BCH_DATA_sb], bio_sectors(bio)); percpu_ref_get(&ca->io_ref); closure_bio_submit(bio, &c->sb_write); |