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Diffstat (limited to 'fs/erofs/zdata.c')
-rw-r--r--fs/erofs/zdata.c9
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)