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authorJaegeuk Kim <jaegeuk.kim@samsung.com>2014-03-20 19:10:08 +0900
committerJaegeuk Kim <jaegeuk.kim@samsung.com>2014-03-20 22:10:11 +0900
commitd928bfbfe77aa457b765c19e9db8cd4cc72b3c89 (patch)
treef56763175e0fbee1e2079c9a330f3d73f971bc5c /tools/perf/scripts/python/call-graph-from-postgresql.py
parentf2fs: change reclaim rate in percentage (diff)
downloadlinux-dev-d928bfbfe77aa457b765c19e9db8cd4cc72b3c89.tar.xz
linux-dev-d928bfbfe77aa457b765c19e9db8cd4cc72b3c89.zip
f2fs: introduce fi->i_sem to protect fi's info
This patch introduces fi->i_sem to protect fi's info that includes xattr_ver, pino, i_nlink. This enables to remove i_mutex during f2fs_sync_file, resulting in performance improvement when a number of fsync calls are triggered from many concurrent threads. Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
Diffstat (limited to 'tools/perf/scripts/python/call-graph-from-postgresql.py')
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