[arch-commits] Commit in linux/trunk (0001-fix-btrfs-mount-deadlock.patch PKGBUILD)
Tobias Powalowski
tpowa at archlinux.org
Wed Apr 8 06:49:55 UTC 2015
Date: Wednesday, April 8, 2015 @ 08:49:55
Author: tpowa
Revision: 235618
upgpkg: linux 3.19.3-2
fix btrfs deadlock on mount
Added:
linux/trunk/0001-fix-btrfs-mount-deadlock.patch
Modified:
linux/trunk/PKGBUILD
-------------------------------------+
0001-fix-btrfs-mount-deadlock.patch | 43 ++++++++++++++++++++++++++++++++++
PKGBUILD | 11 ++++++--
2 files changed, 51 insertions(+), 3 deletions(-)
Added: 0001-fix-btrfs-mount-deadlock.patch
===================================================================
--- 0001-fix-btrfs-mount-deadlock.patch (rev 0)
+++ 0001-fix-btrfs-mount-deadlock.patch 2015-04-08 06:49:55 UTC (rev 235618)
@@ -0,0 +1,43 @@
+From 9c4f61f01d269815bb7c37be3ede59c5587747c6 Mon Sep 17 00:00:00 2001
+From: David Sterba <dsterba at suse.cz>
+Date: Fri, 2 Jan 2015 19:12:57 +0100
+Subject: btrfs: simplify insert_orphan_item
+
+We can search and add the orphan item in one go,
+btrfs_insert_orphan_item will find out if the item already exists.
+
+Signed-off-by: David Sterba <dsterba at suse.cz>
+
+diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
+index 5be45c1..25a1c36 100644
+--- a/fs/btrfs/tree-log.c
++++ b/fs/btrfs/tree-log.c
+@@ -1254,21 +1254,13 @@ out:
+ }
+
+ static int insert_orphan_item(struct btrfs_trans_handle *trans,
+- struct btrfs_root *root, u64 offset)
++ struct btrfs_root *root, u64 ino)
+ {
+ int ret;
+- struct btrfs_path *path;
+-
+- path = btrfs_alloc_path();
+- if (!path)
+- return -ENOMEM;
+
+- ret = btrfs_find_item(root, path, BTRFS_ORPHAN_OBJECTID,
+- offset, BTRFS_ORPHAN_ITEM_KEY, NULL);
+- if (ret > 0)
+- ret = btrfs_insert_orphan_item(trans, root, offset);
+-
+- btrfs_free_path(path);
++ ret = btrfs_insert_orphan_item(trans, root, ino);
++ if (ret == -EEXIST)
++ ret = 0;
+
+ return ret;
+ }
+--
+cgit v0.10.2
+
Modified: PKGBUILD
===================================================================
--- PKGBUILD 2015-04-08 06:47:48 UTC (rev 235617)
+++ PKGBUILD 2015-04-08 06:49:55 UTC (rev 235618)
@@ -6,7 +6,7 @@
#pkgbase=linux-custom # Build kernel with a different name
_srcname=linux-3.19
pkgver=3.19.3
-pkgrel=1
+pkgrel=2
arch=('i686' 'x86_64')
url="http://www.kernel.org/"
license=('GPL2')
@@ -21,7 +21,7 @@
# standard config files for mkinitcpio ramdisk
'linux.preset'
'change-default-console-loglevel.patch'
- )
+ '0001-fix-btrfs-mount-deadlock.patch')
sha256sums=('be42511fe5321012bb4a2009167ce56a9e5fe362b4af43e8c371b3666859806c'
'SKIP'
'cd9474b61b859d68f83ff0b769bafef8489d2090e0a933d2a7e5f76a23cc071a'
@@ -29,7 +29,8 @@
'704a479de77c9022e5c7a797d2cd7fd0e4ba1f52f9039ec8a80efd57f7e9f0d8'
'59830f47c1be39f874640d762dca55f972aca549a7a65ba2f1dac184251dabb2'
'f0d90e756f14533ee67afda280500511a62465b4f76adcc5effa95a40045179c'
- '1256b241cd477b265a3c2d64bdc19ffe3c9bbcee82ea3994c590c2c76e767d99')
+ '1256b241cd477b265a3c2d64bdc19ffe3c9bbcee82ea3994c590c2c76e767d99'
+ '5967cf53cb9db9f070e8f346c3d7045748e4823a7fe2ee330acd18c9d02bbb77')
validpgpkeys=(
'ABAF11C65A2970B130ABE3C479BE3E4300411886' # Linus Torvalds
'647F28654894E3BD457199BE38DBBDC86092693E' # Greg Kroah-Hartman
@@ -51,6 +52,10 @@
# (relevant patch sent upstream: https://lkml.org/lkml/2011/7/26/227)
patch -p1 -i "${srcdir}/change-default-console-loglevel.patch"
+ # fix #44495 and #44385 deadlock on btrfs mount
+ # https://btrfs.wiki.kernel.org/index.php/Gotchas
+ patch -Np1 -i "${srcdir}/0001-fix-btrfs-mount-deadlock.patch"
+
if [ "${CARCH}" = "x86_64" ]; then
cat "${srcdir}/config.x86_64" > ./.config
else
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