search for: get_extents

...=$(realpath $scratchdir/mnt/3) checkit "$RSYNC -a --clone-dest='$clonedir' '$scratchdir/mnt/1/' '$scratchdir/mnt/2/'" "$scratchdir/mnt/1/" "$scratchdir/mnt/2/" sync $scratchdir/mnt/2/a sync $scratchdir/mnt/2/b # check the extents are the same get_extents() { result=$(btrfs-search-metadata file $1 | grep disk_bytenr | sed 's/.*disk_bytenr\ //' | sed 's/\ disk_num_bytes.*//') if [ ! -n "$result" ]; then echo "couldn't find extents for " $1 fi echo "$result" } test "$(get_...

While testing with my buffer read fio jobs[1], I find that btrfs does not perform well enough. Here is a scenario in fio jobs: We have 4 threads, "t1 t2 t3 t4", starting to buffer read a same file, and all of them will race on add_to_page_cache_lru(), and if one thread successfully puts its page into the page cache, it takes the responsibility to read the page''s data. And

Hi, The following series of patches implements in btrfs an ioctl to do out-of-band deduplication of file extents. To be clear, this means that the file system is mounted and running, but the dedupe is not done during file writes, but after the fact when some userspace software initiates a dedupe. The primary patch is loosely based off of one sent by Josef Bacik back in January, 2011.

I pushed a few of the msys2 patches upstream. I changed the way that $(SHARED_LDFLAGS) works so it's more to my liking, and the others were pushed unchanged. Three patches remain which I'm posting on the mailing list for proper review. Rich.

From: Yifan Gu <gyf304@gmail.com> This patch adds in indirection for API functions, as PE DLL loader does not resolve undefined symbols. This patch only includes header changes. --- include/nbdkit-common.h | 133 +++++++++++++++++++++++++++++++++++++++- include/nbdkit-compat.h | 97 +++++++++++++++++++++++++++++ include/nbdkit-filter.h | 39 ++++++++++++ include/nbdkit-plugin.h | 27

Hello, I just began digging through the source last night. I hope nobody minds if I just jump in and start sending some patches. The return of extent_map_init is not checked at module startup. The net effect of this function is checked at inode space allocation time though, so my patch decides to quit early on if the alloc fails. Thanks, Wyatt Banks diff -r 29b8cc7794ac extent_map.c ---

We''ve been hitting BUG()''s in btrfs_cont_expand and btrfs_fallocate and anywhere else that calls btrfs_get_extent while running xfstests 13 in a loop. This is because fiemap is calling btrfs_get_extent with non-sectorsize aligned offsets, which will end up adding mappings that are not sectorsize aligned, which will cause problems in some cases for subsequent calls to

From: Yifan Gu <gyf304@gmail.com> Windows PE DLL needs function indirection, this patch injects API functions for plugins / filters if on Windows. Note that nbdkit_peer_name is explicitly disabled due to potential ABI incompatibilities. --- server/main.c | 73 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 73 insertions(+) diff --git a/server/main.c b/server/main.c

While testing raid-auto-repair patches I''m going to send out later, I just found the very last bug in my current scrub patch series: Changelog v4->v5: - fixed a deadlock when fixup is taking longer while scrub is about to end Original message follows: ------------------------ This patch set introduces two new features for scrub. They share the backref iteration code which is the

While testing with my buffer read fio jobs[1], I find that btrfs does not perform well enough. Here is a scenario in fio jobs: We have 4 threads, "t1 t2 t3 t4", starting to buffer read a same file, and all of them will race on add_to_page_cache_lru(), and if one thread successfully puts its page into the page cache, it takes the responsibility to read the page''s data. And

Hi all - The following 9 patches add more error handling to the btrfs code: - Add btrfs_panic - Catch locking failures in {set,clear}_extent_bit - Push up set_extent_bit errors to callers - Push up lock_extent errors to callers - Push up clear_extent_bit errors to callers - Push up unlock_extent errors to callers - Make pin_down_extent return void - Push up btrfs_pin_extent errors to

This series introduces a generic readahead interface for btrfs trees. The intention is to use it to speed up scrub in a first run, but balance is another hot candidate. In general, every tree walk could be accompanied by a readahead. Deletion of large files comes to mind, where the fetching of the csums takes most of the time. Also the initial build-ups of free-space-caches and

(switched to email. Please respond via emailed reply-to-all, not via the bugzilla web interface). On Thu, 17 Feb 2011 13:20:20 GMT bugzilla-daemon@bugzilla.kernel.org wrote: > https://bugzilla.kernel.org/show_bug.cgi?id=29302 > > Summary: Null pointer dereference with large max_sectors_kb > Product: IO/Storage > Version: 2.5 > Kernel

This series introduces a generic readahead interface for btrfs trees. The intention is to use it to speed up scrub in a first run, but balance is another hot candidate. In general, every tree walk could be accompanied by a readahead. Deletion of large files comes to mind, where the fetching of the csums takes most of the time. Also the initial build-ups of free-space-caches and

Hi all - Here''s my current error handling patchset, against 3.1-rc8. Almost all of this patchset is preparing for actual error handling. Before we start in on that work, I''m trying to reduce the surface we need to worry about. It turns out that there is a ton of code that returns an error code but never actually reports an error. The patchset has grown to 65 patches. 46 of them