Andreas Dilger wrote:
On 2009-11-06, at 15:29, Eric Sandeen wrote:
ext4_xattr_set_handle() was modifying s_inode_size outside
of journaling constraints; this is one of the accesses that
was causing the crc errors in journal replay as seen in
kernel.org bugzilla #14354.
Is this description accurate? It doesn't seem to be modifying
s_inode_size, per-se, but rather zeroing the whole inode if it is a new
inode that was never read from disk.
Doh, skimmed too fast, you're right. I'll resend a V2 w/ the proper
description, sorry about that. :)
-eric
Other than the above description the patch looks correct.
Reviewed-by: Andreas Dilger <adilger@xxxxxxx>
@@ -988,6 +988,10 @@ ext4_xattr_set_handle(handle_t *handle, struct
inode *inode, int name_index,
if (error)
goto cleanup;
+ error = ext4_journal_get_write_access(handle, is.iloc.bh);
+ if (error)
+ goto cleanup;
+
if (EXT4_I(inode)->i_state & EXT4_STATE_NEW) {
struct ext4_inode *raw_inode = ext4_raw_inode(&is.iloc);
memset(raw_inode, 0, EXT4_SB(inode->i_sb)->s_inode_size);
@@ -1013,9 +1017,6 @@ ext4_xattr_set_handle(handle_t *handle, struct
inode *inode, int name_index,
if (flags & XATTR_CREATE)
goto cleanup;
}
- error = ext4_journal_get_write_access(handle, is.iloc.bh);
- if (error)
- goto cleanup;
if (!value) {
if (!is.s.not_found)
error = ext4_xattr_ibody_set(handle, inode, &i, &is);
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Cheers, Andreas
--
Andreas Dilger
Sr. Staff Engineer, Lustre Group
Sun Microsystems of Canada, Inc.
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