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| author | Dave Chinner <dchinner@redhat.com> | 2015-03-04 18:37:22 +0100 |
|---|---|---|
| committer | Josef Bacik <jbacik@fb.com> | 2015-08-18 00:39:46 +0200 |
| commit | 74278da9f70d84d715601fe794567a6d2bfdf078 (patch) | |
| tree | 49262a88fc42b85bfe4930f5cd7a832d5ba647c6 /Documentation/DMA-ISA-LPC.txt | |
| parent | inode: add hlist_fake to avoid the inode hash lock in evict (diff) | |
| download | linux-74278da9f70d84d715601fe794567a6d2bfdf078.tar.xz linux-74278da9f70d84d715601fe794567a6d2bfdf078.zip | |
inode: convert inode_sb_list_lock to per-sb
The process of reducing contention on per-superblock inode lists
starts with moving the locking to match the per-superblock inode
list. This takes the global lock out of the picture and reduces the
contention problems to within a single filesystem. This doesn't get
rid of contention as the locks still have global CPU scope, but it
does isolate operations on different superblocks form each other.
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Josef Bacik <jbacik@fb.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Tested-by: Dave Chinner <dchinner@redhat.com>
Diffstat (limited to '')
0 files changed, 0 insertions, 0 deletions