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Cleaning up uio headers

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Making uio_impl.h the common header interface between Linux and FreeBSD
so both OS's can share a common header file. This also helps reduce code
duplication for zfs_uio_t for each OS.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Brian Atkinson <batkinson@lanl.gov>
Closes #11622
This commit is contained in:
Brian Atkinson
2021-02-20 21:16:50 -07:00
committed by GitHub
parent 52cb284f7b
commit c0801bf35a
9 changed files with 40 additions and 63 deletions
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include/os/linux/spl/sys/uio.h
+2 -20
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@@ -78,19 +78,14 @@ typedef struct zfs_uio {
#define zfs_uio_rlimit_fsize(z, u) (0)
#define zfs_uio_fault_move(p, n, rw, u) zfs_uiomove((p), (n), (rw), (u))
extern int zfs_uio_prefaultpages(ssize_t, zfs_uio_t *);
static inline void
zfs_uio_setoffset(zfs_uio_t *uio, offset_t off)
{
uio->uio_loffset = off;
}
static inline void
zfs_uio_iov_at_index(zfs_uio_t *uio, uint_t idx, void **base, uint64_t *len)
{
*base = zfs_uio_iovbase(uio, idx);
*len = zfs_uio_iovlen(uio, idx);
}
static inline void
zfs_uio_advance(zfs_uio_t *uio, size_t size)
{
@@ -98,19 +93,6 @@ zfs_uio_advance(zfs_uio_t *uio, size_t size)
uio->uio_loffset += size;
}
static inline offset_t
zfs_uio_index_at_offset(zfs_uio_t *uio, offset_t off, uint_t *vec_idx)
{
*vec_idx = 0;
while (*vec_idx < zfs_uio_iovcnt(uio) &&
off >= zfs_uio_iovlen(uio, *vec_idx)) {
off -= zfs_uio_iovlen(uio, *vec_idx);
(*vec_idx)++;
}
return (off);
}
static inline void
zfs_uio_iovec_init(zfs_uio_t *uio, const struct iovec *iov,
unsigned long nr_segs, offset_t offset, zfs_uio_seg_t seg, ssize_t resid,