ext4: make trim/discard optional (and off by default)

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It is anticipated that when sb_issue_discard starts doing
real work on trim-capable devices, we may see issues.  Make
this mount-time optional, and default it to off until we know
that things are working out OK.

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>

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Eric Sandeen 2009-11-19 14:25:42 -05:00 • committed by Theodore Ts'o

parent 2bba702d4f

commit 5328e63531

4 changed files with 33 additions and 9 deletions

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6

Documentation/filesystems/ext4.txt

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1

fs/ext4/ext4.h

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19

fs/ext4/mballoc.c

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14

fs/ext4/super.c

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