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| author |  Christoph Hellwig <hch@lst.de>
| 2019-06-28 19:27:26 -0700 |
|---|---|---|
| committer |  Darrick J. Wong <darrick.wong@oracle.com>
| 2019-06-28 19:27:26 -0700 |
| commit | 6ad5b3255b9e3d6d94154738aacd5119bf9c8f6e (patch) | |
| tree | b4d9580b646613a392d40ba52f83675415c1c885 /fs/xfs/xfs_linux.h | |
| parent | xfs: return an offset instead of a pointer from xlog_align (diff) | |
| download | linux-6ad5b3255b9e3d6d94154738aacd5119bf9c8f6e.tar.gz linux-6ad5b3255b9e3d6d94154738aacd5119bf9c8f6e.tar.bz2 linux-6ad5b3255b9e3d6d94154738aacd5119bf9c8f6e.zip | |
xfs: use bios directly to read and write the log recovery buffers
The xfs_buf structure is basically used as a glorified container for
a memory allocation in the log recovery code. Replace it with a
call to kmem_alloc_large and a simple abstraction to read into or
write from it synchronously using chained bios.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Diffstat (limited to 'fs/xfs/xfs_linux.h')
| -rw-r--r-- | fs/xfs/xfs_linux.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/xfs/xfs_linux.h b/fs/xfs/xfs_linux.h index b78287666309..ca15105681ca 100644 --- a/fs/xfs/xfs_linux.h +++ b/fs/xfs/xfs_linux.h @@ -219,6 +219,9 @@ static inline uint64_t howmany_64(uint64_t x, uint32_t y) return x; } +int xfs_rw_bdev(struct block_device *bdev, sector_t sector, unsigned int count, + char *data, unsigned int op); + #define ASSERT_ALWAYS(expr) \ (likely(expr) ? (void)0 : assfail(#expr, __FILE__, __LINE__)) |