]> git.ipfire.org Git - thirdparty/kernel/stable-queue.git/commitdiff
3.0-stable patches
authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 9 Apr 2013 16:12:11 +0000 (09:12 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 9 Apr 2013 16:12:11 +0000 (09:12 -0700)
added patches:
ext4-fixup-64-bit-divides-in-3.0-stable-backport-of-upstream-fix.patch

queue-3.0/ext4-fixup-64-bit-divides-in-3.0-stable-backport-of-upstream-fix.patch [new file with mode: 0644]
queue-3.0/series

diff --git a/queue-3.0/ext4-fixup-64-bit-divides-in-3.0-stable-backport-of-upstream-fix.patch b/queue-3.0/ext4-fixup-64-bit-divides-in-3.0-stable-backport-of-upstream-fix.patch
new file mode 100644 (file)
index 0000000..c0b95c8
--- /dev/null
@@ -0,0 +1,53 @@
+From toddpoynor@google.com  Tue Apr  9 09:08:53 2013
+From: Todd Poynor <toddpoynor@google.com>
+Date: Fri,  5 Apr 2013 16:38:53 -0700
+Subject: ext4: fixup 64-bit divides in 3.0-stable backport of upstream fix
+To: stable@vger.kernel.org
+Message-ID: <1365205133-28456-1-git-send-email-toddpoynor@google.com>
+
+From: Todd Poynor <toddpoynor@google.com>
+
+Replace C division operators with div64_u64 for divides introduced in:
+commit 503f4bdcc078e7abee273a85ce322de81b18a224
+ext4: use atomic64_t for the per-flexbg free_clusters count
+
+Specific to the 3.0-stable backport of the upstream patch.
+
+Signed-off-by: Todd Poynor <toddpoynor@google.com>
+Reviewed-by: "Theodore Ts'o" <tytso@mit.edu>
+Cc: Christoph Biedl <linux-kernel.bfrz@manchmal.in-ulm.de>
+Cc: Lukas Czerner <lczerner@redhat.com>
+Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
+
+---
+ fs/ext4/ialloc.c |    5 +++--
+ 1 file changed, 3 insertions(+), 2 deletions(-)
+
+--- a/fs/ext4/ialloc.c
++++ b/fs/ext4/ialloc.c
+@@ -22,6 +22,7 @@
+ #include <linux/random.h>
+ #include <linux/bitops.h>
+ #include <linux/blkdev.h>
++#include <linux/math64.h>
+ #include <asm/byteorder.h>
+ #include "ext4.h"
+@@ -356,7 +357,7 @@ static int find_group_flex(struct super_
+ find_close_to_parent:
+       flexbg_free_blocks = atomic64_read(&flex_group[best_flex].free_blocks);
+-      flex_freeb_ratio = flexbg_free_blocks * 100 / blocks_per_flex;
++      flex_freeb_ratio = div64_u64(flexbg_free_blocks * 100, blocks_per_flex);
+       if (atomic_read(&flex_group[best_flex].free_inodes) &&
+           flex_freeb_ratio > free_block_ratio)
+               goto found_flexbg;
+@@ -371,7 +372,7 @@ find_close_to_parent:
+                       continue;
+               flexbg_free_blocks = atomic64_read(&flex_group[i].free_blocks);
+-              flex_freeb_ratio = flexbg_free_blocks * 100 / blocks_per_flex;
++              flex_freeb_ratio = div64_u64(flexbg_free_blocks * 100, blocks_per_flex);
+               if (flex_freeb_ratio > free_block_ratio &&
+                   (atomic_read(&flex_group[i].free_inodes))) {
index fc929c6ee2b72bac09af5d6cf29a85b3350c3db3..3c8ad817e9f800594e6ede4bfb164bf2b5fa8c16 100644 (file)
@@ -3,3 +3,4 @@ ubifs-make-space-fixup-work-in-the-remount-case.patch
 reiserfs-fix-warning-and-inode-leak-when-deleting-inode-with-xattrs.patch
 alsa-hda-bug-fix-on-return-value-when-getting-hdmi-eld-info.patch
 alsa-hda-fix-typo-in-proc-output.patch
+ext4-fixup-64-bit-divides-in-3.0-stable-backport-of-upstream-fix.patch