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Commit 8707df38 authored Nov 13, 2009 by Ryusuke Konishi

nilfs2: separate read method of meta data files on super root block



Will displace nilfs_mdt_read_inode_direct function with an individual
read method: nilfs_dat_read, nilfs_sufile_read, nilfs_cpfile_read.

This provides the opportunity to initialize local variables of each
metadata file after reading the inode.

Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>

parent 79739565

fs/nilfs2/cpfile.c

+10 −0

Original line number	Diff line number	Diff line
		@@ -927,6 +927,16 @@ int nilfs_cpfile_get_stat(struct inode cpfile, struct nilfs_cpstat cpstat)
		return ret;
		}

		/**
		* nilfs_cpfile_read - read cpfile inode
		* @cpfile: cpfile inode
		* @raw_inode: on-disk cpfile inode
		*/
		int nilfs_cpfile_read(struct inode cpfile, struct nilfs_inode raw_inode)
		{
		return nilfs_read_inode_common(cpfile, raw_inode);
		}

		/**
		* nilfs_cpfile_new - create cpfile
		* @nilfs: nilfs object

fs/nilfs2/cpfile.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -40,6 +40,7 @@ int nilfs_cpfile_get_stat(struct inode , struct nilfs_cpstat );
		ssize_t nilfs_cpfile_get_cpinfo(struct inode , __u64 , int, void *, unsigned,
		size_t);

		int nilfs_cpfile_read(struct inode cpfile, struct nilfs_inode raw_inode);
		struct inode nilfs_cpfile_new(struct the_nilfs nilfs, size_t cpsize);

		#endif /* _NILFS_CPFILE_H */

fs/nilfs2/dat.c

+10 −0

Original line number	Diff line number	Diff line
		@@ -426,6 +426,16 @@ ssize_t nilfs_dat_get_vinfo(struct inode dat, void buf, unsigned visz,
		return nvi;
		}

		/**
		* nilfs_dat_read - read dat inode
		* @dat: dat inode
		* @raw_inode: on-disk dat inode
		*/
		int nilfs_dat_read(struct inode dat, struct nilfs_inode raw_inode)
		{
		return nilfs_read_inode_common(dat, raw_inode);
		}

		/**
		* nilfs_dat_new - create dat file
		* @nilfs: nilfs object

fs/nilfs2/dat.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -53,6 +53,7 @@ int nilfs_dat_freev(struct inode , __u64 , size_t);
		int nilfs_dat_move(struct inode *, __u64, sector_t);
		ssize_t nilfs_dat_get_vinfo(struct inode , void , unsigned, size_t);

		int nilfs_dat_read(struct inode dat, struct nilfs_inode raw_inode);
		struct inode nilfs_dat_new(struct the_nilfs nilfs, size_t entry_size);

		#endif /* _NILFS_DAT_H */

fs/nilfs2/sufile.c

+10 −0

Original line number	Diff line number	Diff line
		@@ -658,6 +658,16 @@ ssize_t nilfs_sufile_get_suinfo(struct inode sufile, __u64 segnum, void buf,
		return ret;
		}

		/**
		* nilfs_sufile_read - read sufile inode
		* @sufile: sufile inode
		* @raw_inode: on-disk sufile inode
		*/
		int nilfs_sufile_read(struct inode sufile, struct nilfs_inode raw_inode)
		{
		return nilfs_read_inode_common(sufile, raw_inode);
		}

		/**
		* nilfs_sufile_new - create sufile
		* @nilfs: nilfs object