diff options
| author | Alexander Motin <[email protected]> | 2021-07-27 19:05:47 -0400 |
|---|---|---|
| committer | GitHub <[email protected]> | 2021-07-27 16:05:47 -0700 |
| commit | 7eebcd2be6ac91a1c28ed6a2184efb81aa9aa2a4 (patch) | |
| tree | 841a24b362c0da167803ac6205242c8b9292b752 /module/os/freebsd/zfs/abd_os.c | |
| parent | b72611f0f612bf9ffeda827ea0bdf4cc36d9c6e4 (diff) | |
Avoid small buffer copying on write
It is wrong for arc_write_ready() to use zfs_abd_scatter_enabled to
decide whether to reallocate/copy the buffer, because the answer is
OS-specific and depends on the buffer size. Instead of that use
abd_size_alloc_linear(), moved into public header.
Reviewed-by: Brian Behlendorf <[email protected]>
Reviewed-by: Brian Atkinson <[email protected]>
Signed-off-by: Alexander Motin <[email protected]>
Closes #12425
Diffstat (limited to 'module/os/freebsd/zfs/abd_os.c')
| -rw-r--r-- | module/os/freebsd/zfs/abd_os.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/module/os/freebsd/zfs/abd_os.c b/module/os/freebsd/zfs/abd_os.c index 95a83542f..8bc1ef132 100644 --- a/module/os/freebsd/zfs/abd_os.c +++ b/module/os/freebsd/zfs/abd_os.c @@ -132,7 +132,7 @@ abd_scatter_chunkcnt(abd_t *abd) boolean_t abd_size_alloc_linear(size_t size) { - return (size < zfs_abd_scatter_min_size ? B_TRUE : B_FALSE); + return (!zfs_abd_scatter_enabled || size < zfs_abd_scatter_min_size); } void |