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Commit 49fa7a59 authored by Ryusuke Konishi's avatar Ryusuke Konishi
Browse files

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: default avatarRyusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
parent c3ea56c8

fs/nilfs2/ifile.c

+15 −1
Original line number Original line Diff line number Diff line
@@ -29,6 +29,17 @@ 
#include "alloc.h"

#include "alloc.h"

#include "ifile.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

 * nilfs_ifile_create_inode - create a new disk inode

 * @ifile: ifile inode

 * @ifile: ifile inode
@@ -159,13 +170,16 @@ struct inode *nilfs_ifile_new(struct nilfs_sb_info *sbi, size_t inode_size) 
	struct inode *ifile;

	struct inode *ifile;

	int err;

	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) {

	if (ifile) {

		err = nilfs_palloc_init_blockgroup(ifile, inode_size);

		err = nilfs_palloc_init_blockgroup(ifile, inode_size);

		if (unlikely(err)) {

		if (unlikely(err)) {

			nilfs_mdt_destroy(ifile);

			nilfs_mdt_destroy(ifile);

			return NULL;

			return NULL;

		}

		}

		nilfs_palloc_setup_cache(ifile,

					 &NILFS_IFILE_I(ifile)->palloc_cache);

	}

	}

	return ifile;

	return ifile;

}
 
}