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(parent: b713a5e) | patch
ext4: Use atomic_t's in struct flex_groups
authorTheodore Ts'o <tytso@mit.edu>
Thu, 5 Mar 2009 00:09:10 +0000 (19:09 -0500)
committerTheodore Ts'o <tytso@mit.edu>
Thu, 5 Mar 2009 00:09:10 +0000 (19:09 -0500)
commit9f24e4208f7ee2748f157368b63287dc903fcf60
tree255989fe69ebfb2b031dc7cf6dbe975df67c711atree | snapshot (tar.gz zip)
parentb713a5ec55bf73c833f9883cdd761b20ee61a1abcommit | diff
ext4: Use atomic_t's in struct flex_groups

Reduce pressure on the sb_bgl_lock family of locks by using atomic_t's
to track the number of free blocks and inodes in each flex_group.

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
fs/ext4/balloc.c diff | blob | blame | history
fs/ext4/ext4.h diff | blob | blame | history
fs/ext4/ialloc.c diff | blob | blame | history
fs/ext4/mballoc.c diff | blob | blame | history
fs/ext4/resize.c diff | blob | blame | history
fs/ext4/super.c diff | blob | blame | history