Messages in this thread | | | From | Andi Kleen <> | Subject | Re: ext4 superblock last write time clearly isnt the last write time | Date | Thu, 23 Feb 2012 14:01:24 -0800 |
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Neil Clarkson <neilaclarkson@gmail.com> writes:
> Isn't the s_wtime field of the ext4 superblock supposed to show the > time, in seconds since the epoch, of the last write to the file > system?
Last write to the super block. Obviously last write to the file system would be incredible expensive: every write to the file system would cause a super block write too, doubling all write IO.
-Andi
-- ak@linux.intel.com -- Speaking for myself only
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