diff options
| -rw-r--r-- | fs/erofs/zdata.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/fs/erofs/zdata.c b/fs/erofs/zdata.c index 3851e1a64f73..9530b611f94b 100644 --- a/fs/erofs/zdata.c +++ b/fs/erofs/zdata.c @@ -706,6 +706,7 @@ err_out: goto out; } +static void z_erofs_decompressqueue_work(struct work_struct *work); static void z_erofs_decompress_kickoff(struct z_erofs_decompressqueue *io, bool sync, int bios) { @@ -720,8 +721,14 @@ static void z_erofs_decompress_kickoff(struct z_erofs_decompressqueue *io, return; } - if (!atomic_add_return(bios, &io->pending_bios)) + if (atomic_add_return(bios, &io->pending_bios)) + return; + /* Use workqueue decompression for atomic contexts only */ + if (in_atomic() || irqs_disabled()) { queue_work(z_erofs_workqueue, &io->u.work); + return; + } + z_erofs_decompressqueue_work(&io->u.work); } static bool z_erofs_page_is_invalidated(struct page *page) |