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authorNick Piggin <npiggin@kernel.dk>2011-01-07 17:50:07 +1100
committerNick Piggin <npiggin@kernel.dk>2011-01-07 17:50:32 +1100
commit4b936885ab04dc6e0bb0ef35e0e23c1a7364d9e5 (patch)
treea0173d27c1ce39f173be404d269c2f15144072ab /fs/anon_inodes.c
parent873feea09ebc980cbd3631b767356ce1eee65ec1 (diff)
downloadop-kernel-dev-4b936885ab04dc6e0bb0ef35e0e23c1a7364d9e5.zip
op-kernel-dev-4b936885ab04dc6e0bb0ef35e0e23c1a7364d9e5.tar.gz
fs: improve scalability of pseudo filesystems
Regardless of how much we possibly try to scale dcache, there is likely always going to be some fundamental contention when adding or removing children under the same parent. Pseudo filesystems do not seem need to have connected dentries because by definition they are disconnected. Signed-off-by: Nick Piggin <npiggin@kernel.dk>
Diffstat (limited to 'fs/anon_inodes.c')
-rw-r--r--fs/anon_inodes.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/anon_inodes.c b/fs/anon_inodes.c
index aca8806..9d92b33 100644
--- a/fs/anon_inodes.c
+++ b/fs/anon_inodes.c
@@ -102,7 +102,7 @@ struct file *anon_inode_getfile(const char *name,
this.name = name;
this.len = strlen(name);
this.hash = 0;
- path.dentry = d_alloc(anon_inode_mnt->mnt_sb->s_root, &this);
+ path.dentry = d_alloc_pseudo(anon_inode_mnt->mnt_sb, &this);
if (!path.dentry)
goto err_module;
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