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| author | Maurizio Lombardi <mlombard@redhat.com> | 2021-11-22 11:08:27 +0100 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2021-11-25 15:02:40 +0100 |
| commit | c024b226a417c4eb9353ff500b1c823165d4d508 (patch) | |
| tree | 5feb569e063727fad482e9faf6ea4401b449166a | |
| parent | 00b33cf3da726757aef636365bb52e9536434e9a (diff) | |
| download | linux-c024b226a417c4eb9353ff500b1c823165d4d508.tar.gz | |
nvmet: use IOCB_NOWAIT only if the filesystem supports it
Submit I/O requests with the IOCB_NOWAIT flag set only if
the underlying filesystem supports it.
Fixes: 50a909db36f2 ("nvmet: use IOCB_NOWAIT for file-ns buffered I/O")
Signed-off-by: Maurizio Lombardi <mlombard@redhat.com>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
| -rw-r--r-- | drivers/nvme/target/io-cmd-file.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/nvme/target/io-cmd-file.c b/drivers/nvme/target/io-cmd-file.c index 6aa30f30b572ec..6be6e59d273bb7 100644 --- a/drivers/nvme/target/io-cmd-file.c +++ b/drivers/nvme/target/io-cmd-file.c @@ -8,6 +8,7 @@ #include <linux/uio.h> #include <linux/falloc.h> #include <linux/file.h> +#include <linux/fs.h> #include "nvmet.h" #define NVMET_MAX_MPOOL_BVEC 16 @@ -266,7 +267,8 @@ static void nvmet_file_execute_rw(struct nvmet_req *req) if (req->ns->buffered_io) { if (likely(!req->f.mpool_alloc) && - nvmet_file_execute_io(req, IOCB_NOWAIT)) + (req->ns->file->f_mode & FMODE_NOWAIT) && + nvmet_file_execute_io(req, IOCB_NOWAIT)) return; nvmet_file_submit_buffered_io(req); } else |