diff options
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/btrfs/disk-io.c | 6 | ||||
| -rw-r--r-- | fs/btrfs/transaction.c | 2 |
2 files changed, 6 insertions, 2 deletions
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index 0a98567f8cfc..23442747363e 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -1005,8 +1005,10 @@ static blk_status_t __btree_submit_bio_done(void *private_data, struct bio *bio, return ret; } -static int check_async_write(unsigned long bio_flags) +static int check_async_write(struct btrfs_inode *bi, unsigned long bio_flags) { + if (atomic_read(&bi->sync_writers)) + return 0; if (bio_flags & EXTENT_BIO_TREE_LOG) return 0; #ifdef CONFIG_X86 @@ -1022,7 +1024,7 @@ static blk_status_t btree_submit_bio_hook(void *private_data, struct bio *bio, { struct inode *inode = private_data; struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb); - int async = check_async_write(bio_flags); + int async = check_async_write(BTRFS_I(inode), bio_flags); blk_status_t ret; if (bio_op(bio) != REQ_OP_WRITE) { diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c index f615d59b0489..9c5f126064bd 100644 --- a/fs/btrfs/transaction.c +++ b/fs/btrfs/transaction.c @@ -950,6 +950,7 @@ int btrfs_write_marked_extents(struct btrfs_fs_info *fs_info, u64 start = 0; u64 end; + atomic_inc(&BTRFS_I(fs_info->btree_inode)->sync_writers); while (!find_first_extent_bit(dirty_pages, start, &start, &end, mark, &cached_state)) { bool wait_writeback = false; @@ -985,6 +986,7 @@ int btrfs_write_marked_extents(struct btrfs_fs_info *fs_info, cond_resched(); start = end + 1; } + atomic_dec(&BTRFS_I(fs_info->btree_inode)->sync_writers); return werr; } |