Proxmox-Port/linux-loongson
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson synced 2025-08-27 15:36:48 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

erofs: shorten bvecs[] for file-backed mounts

Browse Source 
BIO_MAX_VECS is too large for __GFP_NOFAIL allocation.  We could use
a mempool (since BIOs can always proceed), but it seems overly
complicated for now.

Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Link: https://lore.kernel.org/r/20250107082825.74242-1-hsiangkao@linux.alibaba.com
This commit is contained in:
Gao Xiang 2025-01-07 16:28:25 +08:00
parent 54ab25d03e
commit 9f74ae8c9a
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
fs/erofs/fileio.c
View File

@ -6,7 +6,7 @@
#include <trace/events/erofs.h>
struct erofs_fileio_rq {
struct bio_vec bvecs[BIO_MAX_VECS];
struct bio_vec bvecs[16];
struct bio bio;
struct kiocb iocb;
struct super_block *sb;
@ -68,7 +68,7 @@ static struct erofs_fileio_rq *erofs_fileio_rq_alloc(struct erofs_map_dev *mdev)
struct erofs_fileio_rq *rq = kzalloc(sizeof(*rq),
GFP_KERNEL | __GFP_NOFAIL);
bio_init(&rq->bio, NULL, rq->bvecs, BIO_MAX_VECS, REQ_OP_READ);
bio_init(&rq->bio, NULL, rq->bvecs, ARRAY_SIZE(rq->bvecs), REQ_OP_READ);
rq->iocb.ki_filp = mdev->m_dif->file;
rq->sb = mdev->m_sb;
return rq;