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Fix ext4 corrupted bitmap error path (pointed out by Eric Sandeen)

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This commit is contained in:
Josh Boyer 2012-01-10 14:08:28 -05:00
parent 94fe9fa312
commit 61eda14a10
2 changed files with 23 additions and 0 deletions
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19
ext4-Fix-error-handling-on-inode-bitmap-corruption.patch Normal file
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@ -0,0 +1,19 @@
diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c
index 00beb4f..8fb6844 100644
--- a/fs/ext4/ialloc.c
+++ b/fs/ext4/ialloc.c
@@ -885,8 +885,12 @@ got:
if (IS_DIRSYNC(inode))
ext4_handle_sync(handle);
if (insert_inode_locked(inode) < 0) {
- err = -EINVAL;
- goto fail_drop;
+ /*
+ * Likely a bitmap corruption causing inode to be allocated
+ * twice.
+ */
+ err = -EIO;
+ goto fail;
}
spin_lock(&sbi->s_next_gen_lock);
inode->i_generation = sbi->s_next_generation++;

4
kernel.spec
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@ -856,6 +856,7 @@ Patch21056: KVM-fix-device-assignment-permissions.patch
Patch21065: Bluetooth-Add-support-for-BCM20702A0.patch
Patch21070: ext4-Support-check-none-nocheck-mount-options.patch
Patch21071: ext4-Fix-error-handling-on-inode-bitmap-corruption.patch
# compat-wireless patches
Patch50000: compat-wireless-config-fixups.patch
@ -1601,6 +1602,8 @@ ApplyPatch msi-irq-sysfs-warning.patch
ApplyPatch ext4-Support-check-none-nocheck-mount-options.patch
ApplyPatch ext4-Fix-error-handling-on-inode-bitmap-corruption.patch
# END OF PATCH APPLICATIONS
%endif
@ -2380,6 +2383,7 @@ fi
%changelog
* Tue Jan 10 2012 Josh Boyer <jwboyer@redhat.com>
- Add patch to fix ext4 compatibility with ext2 mount option (rhbz 770172)
- Fix ext4 corrupted bitmap error path (pointed out by Eric Sandeen)
* Sat Jan 07 2012 Josh Boyer <jwboyer@redhat.com> 3.1.8-2
- Add iwlwifi-allow-to-switch-to-HT40-if-not-associated.patch back to