linux-stable.git/fs/f2fs/debug.c, branch v3.19

f2fs: use atomic for counting inode with inline_{dir,inode} flag

2014-12-08T18:54:59+00:00

As inline_{dir,inode} stat is increased/decreased concurrently by multi threads,
so the value is not so accurate, let's use atomic type for counting accurately.

Signed-off-by: Chao Yu 
Signed-off-by: Jaegeuk Kim

f2fs: count the number of inmemory pages

2014-12-08T18:35:15+00:00

This patch adds counting # of inmemory pages in the page cache.

Signed-off-by: Jaegeuk Kim

f2fs: introduce struct inode_management to wrap inner fields

2014-11-20T06:49:32+00:00

Now in f2fs, we have three inode cache: ORPHAN_INO, APPEND_INO, UPDATE_INO,
and we manage fields related to inode cache separately in struct f2fs_sb_info
for each inode cache type.
This makes codes a bit messy, so that this patch intorduce a new struct
inode_management to wrap inner fields as following which make codes more neat.

/* for inner inode cache management */
struct inode_management {
	struct radix_tree_root ino_root;	/* ino entry array */
	spinlock_t ino_lock;			/* for ino entry lock */
	struct list_head ino_list;		/* inode list head */
	unsigned long ino_num;			/* number of entries */
};

struct f2fs_sb_info {
	...
	struct inode_management im[MAX_INO_ENTRY];      /* manage inode cache */
	...
}

Signed-off-by: Chao Yu 
Signed-off-by: Jaegeuk Kim

f2fs: introduce the number of inode entries

2014-11-06T23:17:43+00:00

This patch adds to monitor the number of ino entries.

Signed-off-by: Jaegeuk Kim

f2fs: add stat info for inline_dentry inodes

2014-11-04T00:07:33+00:00

This patch adds status information for inline_dentry inodes.

Signed-off-by: Jaegeuk Kim

f2fs: check the use of macros on block counts and addresses

2014-09-30T22:34:47+00:00

This patch cleans up the existing and new macros for readability.

Rule is like this.

         ,-----------------------------------------> MAX_BLKADDR -,
         |  ,------------- TOTAL_BLKS ----------------------------,
         |  |                                                     |
         |  ,- seg0_blkaddr   ,----- sit/nat/ssa/main blkaddress  |
block    |  | (SEG0_BLKADDR)  | | | |   (e.g., MAIN_BLKADDR)      |
address  0..x................ a b c d .............................
            |                                                     |
global seg# 0...................... m .............................
            |                       |                             |
            |                       `------- MAIN_SEGS -----------'
            `-------------- TOTAL_SEGS ---------------------------'
                                    |                             |
 seg#                               0..........xx..................

= Note =
 o GET_SEGNO_FROM_SEG0 : blk address -> global segno
 o GET_SEGNO           : blk address -> segno
 o START_BLOCK         : segno -> starting block address

Reviewed-by: Chao Yu 
Signed-off-by: Jaegeuk Kim

f2fs: fix typo

2014-08-19T17:01:33+00:00

Fix typo and some grammatical errors.

The words "filesystem" and "readahead" are being used without the space treewide.

Signed-off-by: Park Ju Hyung 
Signed-off-by: Jaegeuk Kim

f2fs: add infra for ino management

2014-07-29T14:45:54+00:00

This patch changes the naming of orphan-related data structures to use as
inode numbers managed globally.
Later, we can use this facility for managing any inode number lists.

Reviewed-by: Chao Yu 
Signed-off-by: Jaegeuk Kim

f2fs: cleanup the needless return of f2fs_create_root_stats

2014-07-11T22:01:47+00:00

Signed-off-by: Gu Zheng 
Signed-off-by: Jaegeuk Kim

f2fs: remove unnecessary threshold

2014-03-20T13:10:09+00:00

The NM_WOUT_THRESHOLD is now obsolete since f2fs starts to control on a basis
of the memory footprint.

Signed-off-by: Jaegeuk Kim