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...itemoff 3575 itemsize 16 inode ref index 2 namelen 6 name: foobar item 6 key (257 EXTENT_DATA 0) itemoff 3522 itemsize 53 extent data disk byte 12845056 nr 8192 extent data offset 0 nr 8192 ram 8192 extent compression 0 checksum tree key (CSUM_TREE ROOT_ITEM 0) Signed-off-by: Filipe David Borba Manana <fdmanana@gmail.com> --- fs/btrfs/super.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c index 6ab0df5..557e38f 100644 --- a/fs/btrfs/super.c +++ b/fs/btrfs/super.c @@ -913,6 +913,7 @@ int btrfs_sync_fs(struct super_block *sb, int wait)...

...397 - 79.308: 507 ######### 79.308 - 154.794: 199 ### 154.794 - 301.232: 14 | 301.232 - 585.313: 1 | 585.313 - 8303.000: 1 | These samples were captured during a run of the btrfs tests 001, 002 and 004 in the xfstests, with a leaf/node size of 4Kb. Signed-off-by: Filipe David Borba Manana <fdmanana@gmail.com> --- fs/btrfs/ctree.c | 61 ++++++++++++++++++++++++++++++++++++++++++++++++++++-- 1 file changed, 59 insertions(+), 2 deletions(-) diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c index 5fa521b..5b20eec 100644 --- a/fs/btrfs/ctree.c +++ b/fs/btrfs/ctree.c @@ -2...

...ea1>] SyS_ioctl+0x91/0xb0 [<ffffffff81750242>] system_call_fastpath+0x16/0x1b [<ffffffffffffffff>] 0xffffffffffffffff This affects btrfs-next, revision be8e3cd00d7293dd177e3f8a4a1645ce09ca3acb (Btrfs: separate out tests into their own directory). Signed-off-by: Filipe David Borba Manana <fdmanana@gmail.com> --- fs/btrfs/ctree.h | 1 + fs/btrfs/extent-tree.c | 1 + fs/btrfs/inode.c | 36 +++++++++++++++++++++++++++++------- 3 files changed, 31 insertions(+), 7 deletions(-) diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index 7c93d9f..da3ac13 100...

...e-test-mode=seqwr --num-threads=128 \ --file-block-size=16384 --max-time=60 --max-requests=0 run $ time btrfs fi sync . FSSync ''.'' real 0m26.774s user 0m0.000s sys 0m0.084s $ cd .. $ time umount /mnt/btrfs real 0m1.811s user 0m0.000s sys 0m1.564s Signed-off-by: Filipe David Borba Manana <fdmanana@gmail.com> --- fs/btrfs/inode.c | 98 ++++++++++++++++++++++++++++++++++++++++++++++-------- 1 file changed, 84 insertions(+), 14 deletions(-) diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 5a5de36..e889779 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -...

...ted ACL: $ umount /mnt/acl $ mount /dev/loop0 /mnt $ getfacl /mnt/acl/dir1 user::rwx group::rwx other::--- default:user::rwx default:group::rwx default:other::--- Meaning that the underlying xattr was persisted. Reported-by: Giuseppe Fierro <giuseppe@fierro.org> Signed-off-by: Filipe David Borba Manana <fdmanana@gmail.com> --- fs/btrfs/acl.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/btrfs/acl.c b/fs/btrfs/acl.c index e15d2b0..0890c83 100644 --- a/fs/btrfs/acl.c +++ b/fs/btrfs/acl.c @@ -229,7 +229,7 @@ int btrfs_init_acl(struct btrfs_trans_handle *tran...

...700.671770] [<ffffffff81180aa6>] do_vfs_ioctl+0x96/0x550 [36700.671772] [<ffffffff81170fe3>] ? __sb_end_write+0x33/0x70 [36700.671774] [<ffffffff81180ff1>] SyS_ioctl+0x91/0xb0 [36700.671775] [<ffffffff816fcdc2>] system_call_fastpath+0x16/0x1b Signed-off-by: Filipe David Borba Manana <fdmanana@gmail.com> --- fs/btrfs/volumes.c | 25 ++++++++++++++----------- 1 file changed, 14 insertions(+), 11 deletions(-) diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index f42e412..44cd21b 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -3465,7 +3465,7 @@ s...

In tree-log.c:replay_one_name(), if memory allocation for the name fails, ensure we iput the dir inode we got before before we return. Signed-off-by: Filipe David Borba Manana <fdmanana@gmail.com> --- fs/btrfs/tree-log.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c index ff60d89..6797a93 100644 --- a/fs/btrfs/tree-log.c +++ b/fs/btrfs/tree-log.c @@ -1536,8 +1536,10 @@ static noinline...

...in the log tree, we were always unlinking the corresponding inode in the subvolume. It makes sense to unlink only if the lookup failed to find the dir index/item, which corresponds to NULL or -ENOENT, and not when other errors happen (like a transient -ENOMEM or -EIO). Signed-off-by: Filipe David Borba Manana <fdmanana@gmail.com> --- fs/btrfs/tree-log.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c index d75303e..2990fa4 100644 --- a/fs/btrfs/tree-log.c +++ b/fs/btrfs/tree-log.c @@ -1832,7 +1832,7 @@ again:...

Hi Linus, My for-linus branch has a one line fix: git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs.git for-linus Sage hit a deadlock with ceph on btrfs, and Josef tracked it down to a regression in our initial rc1 pull. When doing nocow writes we were sometimes starting a transaction with locks held. Josef Bacik (1) commits (+1/-0): Btrfs: release path before starting