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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 8aec6133a3
commit a5827f34f1
3 changed files with 24 additions and 0 deletions
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1
TODO
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@ -10,6 +10,7 @@
drm-edid-try-harder-to-fix-up-broken-headers.patch drm-edid-try-harder-to-fix-up-broken-headers.patch
Bluetooth-Add-support-for-BCM20702A0-0a5c-21e3.patch Bluetooth-Add-support-for-BCM20702A0-0a5c-21e3.patch
ext4-Support-check-none-nocheck-mount-options.patch ext4-Support-check-none-nocheck-mount-options.patch
ext4-Fix-error-handling-on-inode-bitmap-corruption.patch
**** Other stuff that should go upstream (in decreasing likelyhood) ************************************ **** Other stuff that should go upstream (in decreasing likelyhood) ************************************

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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@ -752,6 +752,7 @@ Patch21045: nfs-client-freezer.patch
Patch21065: Bluetooth-Add-support-for-BCM20702A0-0a5c-21e3.patch Patch21065: Bluetooth-Add-support-for-BCM20702A0-0a5c-21e3.patch
Patch21070: ext4-Support-check-none-nocheck-mount-options.patch Patch21070: ext4-Support-check-none-nocheck-mount-options.patch
Patch21071: ext4-Fix-error-handling-on-inode-bitmap-corruption.patch
# compat-wireless patches # compat-wireless patches
Patch50000: compat-wireless-config-fixups.patch Patch50000: compat-wireless-config-fixups.patch
@ -1459,6 +1460,8 @@ ApplyPatch Bluetooth-Add-support-for-BCM20702A0-0a5c-21e3.patch
ApplyPatch ext4-Support-check-none-nocheck-mount-options.patch ApplyPatch ext4-Support-check-none-nocheck-mount-options.patch
ApplyPatch ext4-Fix-error-handling-on-inode-bitmap-corruption.patch
# END OF PATCH APPLICATIONS # END OF PATCH APPLICATIONS
%endif %endif
@ -2295,6 +2298,7 @@ fi
%changelog %changelog
* Tue Jan 10 2012 Josh Boyer <jwboyer@redhat.com> * Tue Jan 10 2012 Josh Boyer <jwboyer@redhat.com>
- Add patch to fix ext4 compatibility with ext2 mount option (rhbz 770172) - Add patch to fix ext4 compatibility with ext2 mount option (rhbz 770172)
- Fix ext4 corrupted bitmap error path (pointed out by Eric Sandeen)
* Thu Jan 05 2012 Adam Jackson <ajax@redhat.com> * Thu Jan 05 2012 Adam Jackson <ajax@redhat.com>
- Disable unsupported DRI1-only DRM drivers: i810, r128, tdfx - Disable unsupported DRI1-only DRM drivers: i810, r128, tdfx