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.
Oh, and for those who haven't been following the bug, big
thanks to Chris Mason for helping to look into this and coming
up with the debugging patch that made it obvious...
-Eric
Signed-off-by: Eric Sandeen <sandeen@xxxxxxxxxx>
---
diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c
index fed5b01..0257019 100644
--- a/fs/ext4/xattr.c
+++ b/fs/ext4/xattr.c
@@ -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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