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Block layer discard requests

Block layer discard requests

Posted Aug 19, 2008 16:47 UTC (Tue) by jlokier (guest, #52227)
In reply to: Block layer discard requests by seanyoung
Parent article: Block layer discard requests

Writes were never merged by the device request queue anyway.

Merging the FAT table writes happens at a higher level: in the FAT filesystem.  That's not
affected by these changes.  The FAT filesystem will submit a series of DISCARD requests for
each deleted file, interspersed with a smaller number of FAT write requests which merge
multiple changes.


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