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| author | Christoph Hellwig <hch@lst.de> | 2023-01-25 07:58:39 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2023-01-26 10:30:56 -0700 |
| commit | 9636e650e16f6b01f0044f7662074958c23e4707 (patch) | |
| tree | e040da863e3d88a1275dd7ed6c24b1a19eb5fa2a /fs/Kconfig | |
| parent | 439bc39b3cf0014b1b75075812f7ef0f8baa9674 (diff) | |
| download | lwn-9636e650e16f6b01f0044f7662074958c23e4707.tar.gz lwn-9636e650e16f6b01f0044f7662074958c23e4707.zip | |
fs: build the legacy direct I/O code conditionally
Add a new LEGACY_DIRECT_IO config symbol that is only selected by the
file systems that still use the legacy blockdev_direct_IO code, so that
kernels without support for those file systems don't need to build the
code.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Eric Biggers <ebiggers@google.com>
Link: https://lore.kernel.org/r/20230125065839.191256-3-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'fs/Kconfig')
| -rw-r--r-- | fs/Kconfig | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/Kconfig b/fs/Kconfig index 2685a4d0d353..e99830c65033 100644 --- a/fs/Kconfig +++ b/fs/Kconfig @@ -18,6 +18,10 @@ config VALIDATE_FS_PARSER config FS_IOMAP bool +# old blockdev_direct_IO implementation. Use iomap for new code instead +config LEGACY_DIRECT_IO + bool + if BLOCK source "fs/ext2/Kconfig" |