nilfs2: add omitted comments for structures in nilfs2_fs.h (8c74ac05) · Commits · 戴 / test

include/linux/nilfs2_fs.h

+39 −24

Original line number	Diff line number	Diff line
		@@ -293,7 +293,7 @@ struct nilfs_dir_entry {
		__le64 inode; /* Inode number */
		__le16 rec_len; /* Directory entry length */
		__u8 name_len; /* Name length */
		__u8 file_type;
		__u8 file_type; /* Dir entry type (file, dir, etc) */
		char name[NILFS_NAME_LEN]; /* File name */
		char pad;
		};
		@@ -395,7 +395,7 @@ union nilfs_binfo {
		};

		/**
		* struct nilfs_segment_summary - segment summary
		* struct nilfs_segment_summary - segment summary header
		* @ss_datasum: checksum of data
		* @ss_sumsum: checksum of segment summary
		* @ss_magic: magic number
		@@ -683,9 +683,9 @@ struct nilfs_sufile_header {

		/**
		* nilfs_suinfo - segment usage information
		* @sui_lastmod:
		* @sui_nblocks:
		* @sui_flags:
		* @sui_lastmod: timestamp of last modification
		* @sui_nblocks: number of written blocks in segment
		* @sui_flags: segment usage flags
		*/
		struct nilfs_suinfo {
		__u64 sui_lastmod;
		@@ -716,9 +716,10 @@ enum {
		};

		/**
		* struct nilfs_cpmode -
		* @cc_cno:
		* @cc_mode:
		* struct nilfs_cpmode - change checkpoint mode structure
		* @cm_cno: checkpoint number
		* @cm_mode: mode of checkpoint
		* @cm_pad: padding
		*/
		struct nilfs_cpmode {
		__u64 cm_cno;
		@@ -728,11 +729,11 @@ struct nilfs_cpmode {

		/**
		* struct nilfs_argv - argument vector
		* @v_base:
		* @v_nmembs:
		* @v_size:
		* @v_flags:
		* @v_index:
		* @v_base: pointer on data array from userspace
		* @v_nmembs: number of members in data array
		* @v_size: size of data array in bytes
		* @v_flags: flags
		* @v_index: start number of target data items
		*/
		struct nilfs_argv {
		__u64 v_base;
		@@ -743,9 +744,9 @@ struct nilfs_argv {
		};

		/**
		* struct nilfs_period -
		* @p_start:
		* @p_end:
		* struct nilfs_period - period of checkpoint numbers
		* @p_start: start checkpoint number (inclusive)
		* @p_end: end checkpoint number (exclusive)
		*/
		struct nilfs_period {
		__u64 p_start;
		@@ -753,7 +754,7 @@ struct nilfs_period {
		};

		/**
		* struct nilfs_cpstat -
		* struct nilfs_cpstat - checkpoint statistics
		* @cs_cno: checkpoint number
		* @cs_ncps: number of checkpoints
		* @cs_nsss: number of snapshots
		@@ -765,7 +766,7 @@ struct nilfs_cpstat {
		};

		/**
		* struct nilfs_sustat -
		* struct nilfs_sustat - segment usage statistics
		* @ss_nsegs: number of segments
		* @ss_ncleansegs: number of clean segments
		* @ss_ndirtysegs: number of dirty segments
		@@ -784,10 +785,10 @@ struct nilfs_sustat {

		/**
		* struct nilfs_vinfo - virtual block number information
		* @vi_vblocknr:
		* @vi_start:
		* @vi_end:
		* @vi_blocknr:
		* @vi_vblocknr: virtual block number
		* @vi_start: start checkpoint number (inclusive)
		* @vi_end: end checkpoint number (exclusive)
		* @vi_blocknr: disk block number
		*/
		struct nilfs_vinfo {
		__u64 vi_vblocknr;
		@@ -797,7 +798,15 @@ struct nilfs_vinfo {
		};

		/**
		* struct nilfs_vdesc -
		* struct nilfs_vdesc - descriptor of virtual block number
		* @vd_ino: inode number
		* @vd_cno: checkpoint number
		* @vd_vblocknr: virtual block number
		* @vd_period: period of checkpoint numbers
		* @vd_blocknr: disk block number
		* @vd_offset: logical block offset inside a file
		* @vd_flags: flags (data or node block)
		* @vd_pad: padding
		*/
		struct nilfs_vdesc {
		__u64 vd_ino;
		@@ -811,7 +820,13 @@ struct nilfs_vdesc {
		};

		/**
		* struct nilfs_bdesc -
		* struct nilfs_bdesc - descriptor of disk block number
		* @bd_ino: inode number
		* @bd_oblocknr: disk block address (for skipping dead blocks)
		* @bd_blocknr: disk block address
		* @bd_offset: logical block offset inside a file
		* @bd_level: level in the b-tree organization
		* @bd_pad: padding
		*/
		struct nilfs_bdesc {
		__u64 bd_ino;

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