diff options
| author |   Nick Piggin <npiggin@kernel.dk> | 2011-01-07 17:50:05 +1100 |
|---|---|---|
| committer | Nick Piggin <npiggin@kernel.dk> | 2011-01-07 17:50:31 +1100 |
| commit | ceb5bdc2d246f6d81cf61ed70f325308a11821d2 (patch) | |
| tree | 65fc9e0227994d4ffc80530dd15bb5a9672a295e /include/linux | |
| parent | bit_spinlock: add required includes (diff) | |
| download | linux-dev-ceb5bdc2d246f6d81cf61ed70f325308a11821d2.tar.xz linux-dev-ceb5bdc2d246f6d81cf61ed70f325308a11821d2.zip | |
fs: dcache per-bucket dcache hash locking
We can turn the dcache hash locking from a global dcache_hash_lock into
per-bucket locking.
Signed-off-by: Nick Piggin <npiggin@kernel.dk>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/dcache.h | 3 | ||||
| -rw-r--r-- | include/linux/fs.h | 3 |
2 files changed, 4 insertions, 2 deletions
diff --git a/include/linux/dcache.h b/include/linux/dcache.h index 8b2064d02928..5f0392ef759b 100644 --- a/include/linux/dcache.h +++ b/include/linux/dcache.h @@ -4,6 +4,7 @@ #include <asm/atomic.h> #include <linux/list.h> #include <linux/rculist.h> +#include <linux/rculist_bl.h> #include <linux/spinlock.h> #include <linux/seqlock.h> #include <linux/cache.h> @@ -95,7 +96,7 @@ struct dentry { /* RCU lookup touched fields */ unsigned int d_flags; /* protected by d_lock */ seqcount_t d_seq; /* per dentry seqlock */ - struct hlist_node d_hash; /* lookup hash list */ + struct hlist_bl_node d_hash; /* lookup hash list */ struct dentry *d_parent; /* parent directory */ struct qstr d_name; struct inode *d_inode; /* Where the name belongs to - NULL is diff --git a/include/linux/fs.h b/include/linux/fs.h index d5a4d42f655b..baf3e556ff0e 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -392,6 +392,7 @@ struct inodes_stat_t { #include <linux/capability.h> #include <linux/semaphore.h> #include <linux/fiemap.h> +#include <linux/rculist_bl.h> #include <asm/atomic.h> #include <asm/byteorder.h> @@ -1377,7 +1378,7 @@ struct super_block { const struct xattr_handler **s_xattr; struct list_head s_inodes; /* all inodes */ - struct hlist_head s_anon; /* anonymous dentries for (nfs) exporting */ + struct hlist_bl_head s_anon; /* anonymous dentries for (nfs) exporting */ #ifdef CONFIG_SMP struct list_head __percpu *s_files; #else |