diff options
| author | Will Andrews <[email protected]> | 2013-06-11 09:12:34 -0800 |
|---|---|---|
| committer | Brian Behlendorf <[email protected]> | 2013-11-04 10:55:25 -0800 |
| commit | e49f1e20a09181d03382d64afdc4b7a12a5dfdf1 (patch) | |
| tree | 301457b83154f25be39a6135f797ca5cb83daf1e /module/zfs/dmu_zfetch.c | |
| parent | b1118acbb16ec347f6a3eb091d9b7097d12b8d54 (diff) | |
Illumos #3741
3741 zfs needs better comments
Reviewed by: Matthew Ahrens <[email protected]>
Reviewed by: Eric Schrock <[email protected]>
Approved by: Christopher Siden <[email protected]>
References:
https://www.illumos.org/issues/3741
illumos/illumos-gate@3e30c24aeefdee1631958ecf17f18da671781956
Ported-by: Richard Yao <[email protected]>
Signed-off-by: Brian Behlendorf <[email protected]>
Issue #1775
Diffstat (limited to 'module/zfs/dmu_zfetch.c')
| -rw-r--r-- | module/zfs/dmu_zfetch.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/module/zfs/dmu_zfetch.c b/module/zfs/dmu_zfetch.c index 1763bae51..705478c82 100644 --- a/module/zfs/dmu_zfetch.c +++ b/module/zfs/dmu_zfetch.c @@ -48,11 +48,11 @@ unsigned int zfetch_block_cap = 256; unsigned long zfetch_array_rd_sz = 1024 * 1024; /* forward decls for static routines */ -static int dmu_zfetch_colinear(zfetch_t *, zstream_t *); +static boolean_t dmu_zfetch_colinear(zfetch_t *, zstream_t *); static void dmu_zfetch_dofetch(zfetch_t *, zstream_t *); static uint64_t dmu_zfetch_fetch(dnode_t *, uint64_t, uint64_t); static uint64_t dmu_zfetch_fetchsz(dnode_t *, uint64_t, uint64_t); -static int dmu_zfetch_find(zfetch_t *, zstream_t *, int); +static boolean_t dmu_zfetch_find(zfetch_t *, zstream_t *, int); static int dmu_zfetch_stream_insert(zfetch_t *, zstream_t *); static zstream_t *dmu_zfetch_stream_reclaim(zfetch_t *); static void dmu_zfetch_stream_remove(zfetch_t *, zstream_t *); @@ -104,9 +104,9 @@ kstat_t *zfetch_ksp; * last stream, then we are probably in a strided access pattern. So * combine the two sequential streams into a single strided stream. * - * If no co-linear streams are found, return NULL. + * Returns whether co-linear streams were found. */ -static int +static boolean_t dmu_zfetch_colinear(zfetch_t *zf, zstream_t *zh) { zstream_t *z_walk; @@ -326,7 +326,7 @@ dmu_zfetch_fetchsz(dnode_t *dn, uint64_t blkid, uint64_t nblks) * for this block read. If so, it starts a prefetch for the stream it * located and returns true, otherwise it returns false */ -static int +static boolean_t dmu_zfetch_find(zfetch_t *zf, zstream_t *zh, int prefetched) { zstream_t *zs; @@ -639,7 +639,7 @@ dmu_zfetch(zfetch_t *zf, uint64_t offset, uint64_t size, int prefetched) { zstream_t zst; zstream_t *newstream; - int fetched; + boolean_t fetched; int inserted; unsigned int blkshft; uint64_t blksz; |