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(parent: c58efdb) | patch
xfs: add FITRIM support
authorChristoph Hellwig <hch@infradead.org>
Fri, 7 Jan 2011 13:02:04 +0000 (13:02 +0000)
committerAlex Elder <aelder@sgi.com>
Wed, 12 Jan 2011 02:28:29 +0000 (20:28 -0600)
commita46db60834883c1c8c665d7fcc7b4ab66f5966fc
tree962f134a2c7f771cdafdae4ff6caa9e36693dce5tree | snapshot (tar.gz zip)
parentc58efdb442bb49dea1d148f207560c41918c1bf4commit | diff
xfs: add FITRIM support

Allow manual discards from userspace using the FITRIM ioctl.  This is not
intended to be run during normal workloads, as the freepsace btree walks
can cause large performance degradation.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Alex Elder <aelder@sgi.com>
fs/xfs/Makefile diff | blob | blame | history
fs/xfs/linux-2.6/xfs_discard.c [new file with mode: 0644] blob
fs/xfs/linux-2.6/xfs_discard.h [new file with mode: 0644] blob
fs/xfs/linux-2.6/xfs_ioctl.c diff | blob | blame | history
fs/xfs/linux-2.6/xfs_trace.h diff | blob | blame | history
fs/xfs/xfs_alloc.c diff | blob | blame | history
fs/xfs/xfs_alloc.h diff | blob | blame | history