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authorBrian Foster <bfoster@redhat.com>2012-11-06 18:50:47 +0400
committerBen Myers <bpm@sgi.com>2012-11-09 01:34:59 +0400
commit579b62faa5fb16ffeeb88cda5e2c4e95730881af (patch)
treeb0d71a823d2b6e5718786f99921968109d8f644e /fs/xfs/xfs_linux.h
parent00ca79a04bef1a1b30ef8afd992d905b6d986caf (diff)
downloadlinux-579b62faa5fb16ffeeb88cda5e2c4e95730881af.tar.xz
xfs: add background scanning to clear eofblocks inodes
Create a new mount workqueue and delayed_work to enable background scanning and freeing of eofblocks inodes. The scanner kicks in once speculative preallocation occurs and stops requeueing itself when no eofblocks inodes exist. The scan interval is based on the new 'speculative_prealloc_lifetime' tunable (default to 5m). The background scanner performs unfiltered, best effort scans (which skips inodes under lock contention or with a dirty cache mapping). Signed-off-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Mark Tinguely <tinguely@sgi.com> Reviewed-by: Dave Chinner <dchinner@redhat.com> Signed-off-by: Ben Myers <bpm@sgi.com>
Diffstat (limited to 'fs/xfs/xfs_linux.h')
-rw-r--r--fs/xfs/xfs_linux.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/xfs/xfs_linux.h b/fs/xfs/xfs_linux.h
index 828662f70d64..0a134ca5211c 100644
--- a/fs/xfs/xfs_linux.h
+++ b/fs/xfs/xfs_linux.h
@@ -118,6 +118,7 @@
#define xfs_rotorstep xfs_params.rotorstep.val
#define xfs_inherit_nodefrag xfs_params.inherit_nodfrg.val
#define xfs_fstrm_centisecs xfs_params.fstrm_timer.val
+#define xfs_eofb_secs xfs_params.eofb_timer.val
#define current_cpu() (raw_smp_processor_id())
#define current_pid() (current->pid)