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| author | Anthony Liguori <aliguori@us.ibm.com> | 2013-01-15 16:52:56 -0600 |
|---|---|---|
| committer | Anthony Liguori <aliguori@us.ibm.com> | 2013-01-15 16:52:56 -0600 |
| commit | b9f84ac0fa81315bf4efa8db64f0705273b7499a (patch) | |
| tree | 23e52b0dceb04a1dbd53432b5276005ed221f87a /configure | |
| parent | c94bf1c107df6623e54d48b90fb439a1281a36de (diff) | |
| parent | 7191bf311ea9722cdcc3b2229788eff69d896bd0 (diff) | |
| download | qemu-b9f84ac0fa81315bf4efa8db64f0705273b7499a.tar.gz | |
Merge remote-tracking branch 'stefanha/block' into staging
* stefanha/block:
block: Fix how mirror_run() frees its buffer
win32-aio: Fix how win32_aio_process_completion() frees buffer
scsi-disk: qemu_vfree(NULL) is fine, simplify
w32: Make qemu_vfree() accept NULL like the POSIX implementation
sheepdog: clean up sd_aio_setup()
sheepdog: multiplex the rw FD to flush cache
block: clear dirty bitmap when discarding
ide: issue discard asynchronously but serialize the pieces
ide: fix TRIM with empty range entry
block: make discard asynchronous
raw: support discard on block devices
raw-posix: remember whether discard failed
raw-posix: support discard on more filesystems
block: fix initialization in bdrv_io_limits_enable()
qcow2: Fix segfault on zero-length write
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Diffstat (limited to 'configure')
| -rwxr-xr-x | configure | 19 |
1 files changed, 19 insertions, 0 deletions
@@ -2581,6 +2581,22 @@ if compile_prog "" "" ; then fallocate=yes fi +# check for fallocate hole punching +fallocate_punch_hole=no +cat > $TMPC << EOF +#include <fcntl.h> +#include <linux/falloc.h> + +int main(void) +{ + fallocate(0, FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE, 0, 0); + return 0; +} +EOF +if compile_prog "" "" ; then + fallocate_punch_hole=yes +fi + # check for sync_file_range sync_file_range=no cat > $TMPC << EOF @@ -3490,6 +3506,9 @@ fi if test "$fallocate" = "yes" ; then echo "CONFIG_FALLOCATE=y" >> $config_host_mak fi +if test "$fallocate_punch_hole" = "yes" ; then + echo "CONFIG_FALLOCATE_PUNCH_HOLE=y" >> $config_host_mak +fi if test "$sync_file_range" = "yes" ; then echo "CONFIG_SYNC_FILE_RANGE=y" >> $config_host_mak fi |