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SubjectRe: ext4 superblock last write time clearly isnt the last write time
Date
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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