nilfs2: add palloc cache to ifile
This adds the palloc cache to ifile. The palloc cache is allocated on
the extended region of nilfs_mdt_info struct. The struct
nilfs_ifile_info defines the extended on memory structure of ifile.
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
diff --git a/fs/nilfs2/ifile.c b/fs/nilfs2/ifile.c
index c1c1fd3..922d9dd 100644
--- a/fs/nilfs2/ifile.c
+++ b/fs/nilfs2/ifile.c
@@ -29,6 +29,17 @@
#include "alloc.h"
#include "ifile.h"
+
+struct nilfs_ifile_info {
+ struct nilfs_mdt_info mi;
+ struct nilfs_palloc_cache palloc_cache;
+};
+
+static inline struct nilfs_ifile_info *NILFS_IFILE_I(struct inode *ifile)
+{
+ return (struct nilfs_ifile_info *)NILFS_MDT(ifile);
+}
+
/**
* nilfs_ifile_create_inode - create a new disk inode
* @ifile: ifile inode
@@ -159,13 +170,16 @@
struct inode *ifile;
int err;
- ifile = nilfs_mdt_new(sbi->s_nilfs, sbi->s_super, NILFS_IFILE_INO, 0);
+ ifile = nilfs_mdt_new(sbi->s_nilfs, sbi->s_super, NILFS_IFILE_INO,
+ sizeof(struct nilfs_ifile_info));
if (ifile) {
err = nilfs_palloc_init_blockgroup(ifile, inode_size);
if (unlikely(err)) {
nilfs_mdt_destroy(ifile);
return NULL;
}
+ nilfs_palloc_setup_cache(ifile,
+ &NILFS_IFILE_I(ifile)->palloc_cache);
}
return ifile;
}