diff options
| author | Christoph Hellwig <hch@lst.de> | 2019-03-13 20:55:09 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2019-03-13 21:57:34 +0300 |
| commit | 005c674f705ee308e23b8e4e7047419d12122fde (patch) | |
| tree | 6d506ce9e8786efd605ee03b88b42f46c3460b9f | |
| parent | 9f0916ab932f676c042d4592a235a895847484f2 (diff) | |
| download | linux-005c674f705ee308e23b8e4e7047419d12122fde.tar.xz | |
nvmet: ignore EOPNOTSUPP for discard
NVMe DSM is a pure hint, so if the underlying device / file system
does not support discard-like operations we should not fail the
operation but rather return success.
Fixes: 3b031d15995f ("nvmet: add error log support for bdev backend")
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Tested-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
| -rw-r--r-- | drivers/nvme/target/io-cmd-bdev.c | 8 | ||||
| -rw-r--r-- | drivers/nvme/target/io-cmd-file.c | 2 |
2 files changed, 5 insertions, 5 deletions
diff --git a/drivers/nvme/target/io-cmd-bdev.c b/drivers/nvme/target/io-cmd-bdev.c index 71dfedbadc26..a065dbfc43b1 100644 --- a/drivers/nvme/target/io-cmd-bdev.c +++ b/drivers/nvme/target/io-cmd-bdev.c @@ -194,11 +194,11 @@ static u16 nvmet_bdev_discard_range(struct nvmet_req *req, le64_to_cpu(range->slba) << (ns->blksize_shift - 9), le32_to_cpu(range->nlb) << (ns->blksize_shift - 9), GFP_KERNEL, 0, bio); - - if (ret) + if (ret && ret != -EOPNOTSUPP) { req->error_slba = le64_to_cpu(range->slba); - - return blk_to_nvme_status(req, errno_to_blk_status(ret)); + return blk_to_nvme_status(req, errno_to_blk_status(ret)); + } + return NVME_SC_SUCCESS; } static void nvmet_bdev_execute_discard(struct nvmet_req *req) diff --git a/drivers/nvme/target/io-cmd-file.c b/drivers/nvme/target/io-cmd-file.c index 517522305e5c..3e43212d3c1c 100644 --- a/drivers/nvme/target/io-cmd-file.c +++ b/drivers/nvme/target/io-cmd-file.c @@ -297,7 +297,7 @@ static void nvmet_file_execute_discard(struct nvmet_req *req) } ret = vfs_fallocate(req->ns->file, mode, offset, len); - if (ret) { + if (ret && ret != -EOPNOTSUPP) { req->error_slba = le64_to_cpu(range.slba); status = errno_to_nvme_status(req, ret); break; |