[PATCH] xfsprogs: fix xfs_logprint EFI entry split on log buffer

[Dave Chinner]

On Wed, Apr 09, 2014 at 04:00:14PM -0500, Mark Tinguely wrote:
> xfs_logprint does not correctly handle EFI entries that
> are split across two log buffers. xfs_efi_copy_format()
> falsely interrupts the truncated size of the split entry
> as being a corrupt entry.
> 
> If the first log entry has enough information, namely the
> number of extents in the entry and the identifier, then
> display this information and a warning that this entry is
> truncated. Otherwise, if there is not enough information in
> the first log buffer, then print a message that the EFI decode
> was not possible. These messages are similar to split inode
> entries.
> 
> Example of a continued entry:
> Oper (336): tid: f214bdb  len: 44  clientid: TRANS  flags: CONTINUE
> EFI:  #regs: 1    num_extents: 2  id: 0xffff880804f63900
> EFI free extent data skipped (CONTINUE set, no space)
> 
> Reported-by: Michael L. Semon <mlsemon35 at gmail.com>
> Signed-off-by: Mark Tinguely <tinguely at sgi.com>

Looks fine.

Reviewed-by: Dave Chinner <dchinner at redhat.com>

-- 
Dave Chinner
david at fromorbit.com