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Implement support for the fallocate file operation. fallocate
allocates blocks for a particular inode such that future writes
to the associated region of the file are guaranteed not to fail
with ENOSPC.
This patch adds fallocate support to the following areas:
- libglusterfs
- mount/fuse
- io-stats
- performance/md-cache,open-behind
- quota
- cluster/afr,dht,stripe
- rpc/xdr
- protocol/client,server
- io-threads
- marker
- storage/posix
- libgfapi
BUG: 949242
Change-Id: Ice8e61351f9d6115c5df68768bc844abbf0ce8bd
Signed-off-by: Brian Foster <bfoster@redhat.com>
Reviewed-on: http://review.gluster.org/4969
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anand Avati <avati@redhat.com>
fuse has support for optimized async. direct I/O handling via the
FUSE_ASYNC_DIO init flag. Enable FUSE_ASYNC_DIO when advertised
by fuse.
performance/write-behind: fix dio hang
Also fix a hang observed during aio-stress testing due to conflicting
request handling in write-behind. Overlapping requests are skipped
in pick_winds and may never continue when the conflicting write in
progress returns. Add a wb_process_queue() call after a non-wb request
completes to keep the queue moving.
BUG: 963258
Change-Id: Ifba6e8aba7a7790b288a32067706b75f263105d4
Signed-off-by: Brian Foster <bfoster@redhat.com>
Reviewed-on: http://review.gluster.org/5014
Reviewed-by: Anand Avati <avati@redhat.com>
Tested-by: Gluster Build System <jenkins@build.gluster.com>
This patch makes use of READDIRPLUS call when support is available
in the kernel.
Change-Id: Iac78881179567856b55af1f46594a2b2859309f0
BUG: 908128
Signed-off-by: Anand V. Avati <avati@redhat.com>
Reviewed-on: http://review.gluster.org/3905
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Amar Tumballi <amarts@redhat.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
2.6.32 will feature FUSE proto 7.13 which lets us tune the maximal number of
in-kernel backgrounded requests via INIT.
Hereby we live up to this enhancement.
Signed-off-by: Csaba Henk <csaba@gluster.com>
Signed-off-by: Anand V. Avati <avati@dev.gluster.com>
BUG: 385 (Upgrade FUSE protocol to rev. 7.13)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=385
