diff options
| author | Christoph Hellwig <hch@lst.de> | 2025-03-10 14:19:11 +0100 |
|---|---|---|
| committer | Carlos Maiolino <cem@kernel.org> | 2025-03-10 14:29:44 +0100 |
| commit | a2f790b28512c22f7cf4f420a99e1b008e7098fe (patch) | |
| tree | 6f9260ba5e69d202a73573d80b3ae8c5defa092c /fs/xfs/xfs_buf.h | |
| parent | 94c78cfa3bd1858eec3c462aedeb7f297d38d768 (diff) | |
xfs: kill XBF_UNMAPPED
Unmapped buffer access is a pain, so kill it. The switch to large
folios means we rarely pay a vmap penalty for large buffers,
so this functionality is largely unnecessary now.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Carlos Maiolino <cem@kernel.org>
Diffstat (limited to 'fs/xfs/xfs_buf.h')
| -rw-r--r-- | fs/xfs/xfs_buf.h | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/fs/xfs/xfs_buf.h b/fs/xfs/xfs_buf.h index c92a328252cc..8db522f19b0c 100644 --- a/fs/xfs/xfs_buf.h +++ b/fs/xfs/xfs_buf.h @@ -48,7 +48,6 @@ struct xfs_buf; #define XBF_LIVESCAN (1u << 28) #define XBF_INCORE (1u << 29)/* lookup only, return if found in cache */ #define XBF_TRYLOCK (1u << 30)/* lock requested, but do not wait */ -#define XBF_UNMAPPED (1u << 31)/* do not map the buffer */ typedef unsigned int xfs_buf_flags_t; @@ -68,8 +67,7 @@ typedef unsigned int xfs_buf_flags_t; /* The following interface flags should never be set */ \ { XBF_LIVESCAN, "LIVESCAN" }, \ { XBF_INCORE, "INCORE" }, \ - { XBF_TRYLOCK, "TRYLOCK" }, \ - { XBF_UNMAPPED, "UNMAPPED" } + { XBF_TRYLOCK, "TRYLOCK" } /* * Internal state flags. @@ -313,12 +311,20 @@ extern void __xfs_buf_ioerror(struct xfs_buf *bp, int error, #define xfs_buf_ioerror(bp, err) __xfs_buf_ioerror((bp), (err), __this_address) extern void xfs_buf_ioerror_alert(struct xfs_buf *bp, xfs_failaddr_t fa); void xfs_buf_ioend_fail(struct xfs_buf *); -void xfs_buf_zero(struct xfs_buf *bp, size_t boff, size_t bsize); void __xfs_buf_mark_corrupt(struct xfs_buf *bp, xfs_failaddr_t fa); #define xfs_buf_mark_corrupt(bp) __xfs_buf_mark_corrupt((bp), __this_address) /* Buffer Utility Routines */ -extern void *xfs_buf_offset(struct xfs_buf *, size_t); +static inline void *xfs_buf_offset(struct xfs_buf *bp, size_t offset) +{ + return bp->b_addr + offset; +} + +static inline void xfs_buf_zero(struct xfs_buf *bp, size_t boff, size_t bsize) +{ + memset(bp->b_addr + boff, 0, bsize); +} + extern void xfs_buf_stale(struct xfs_buf *bp); /* Delayed Write Buffer Routines */ |