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a9cd207c23
linux/fs/nilfs2
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Hitoshi Mitake a9cd207c23 nilfs2: add tracepoints for analyzing reading and writing metadata files 
This patch adds tracepoints for analyzing requests of reading and writing
metadata files.  The tracepoints cover every in-place mdt files (cpfile,
sufile, and datfile).

Example of tracing mdt_insert_new_block():
              cp-14635 [000] ...1 30598.199309: nilfs2_mdt_insert_new_block: inode = ffff88022a8d0178 ino = 3 block = 155
              cp-14635 [000] ...1 30598.199520: nilfs2_mdt_insert_new_block: inode = ffff88022a8d0178 ino = 3 block = 5
              cp-14635 [000] ...1 30598.200828: nilfs2_mdt_insert_new_block: inode = ffff88022a8d0178 ino = 3 block = 253

Signed-off-by: Hitoshi Mitake <mitake.hitoshi@lab.ntt.co.jp>
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: TK Kato <TK.Kato@wdc.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-11-06 17:50:42 -08:00
..
alloc.c nilfs2: free unused dat file blocks during garbage collection 2015-11-06 17:50:42 -08:00
alloc.h nilfs2: free unused dat file blocks during garbage collection 2015-11-06 17:50:42 -08:00
bmap.c nilfs2: add bmap function to seek a valid key 2015-04-17 09:04:03 -04:00
bmap.h nilfs2: add bmap function to seek a valid key 2015-04-17 09:04:03 -04:00
btnode.c nilfs2: use mark_buffer_dirty to mark btnode or meta data dirty 2011-05-10 22:21:57 +09:00
btnode.h nilfs2: add omitted comments for different structures in driver implementation 2012-07-30 17:25:19 -07:00
btree.c nilfs2: fix sanity check of btree level in nilfs_btree_root_broken() 2015-05-05 17:10:11 -07:00
btree.h nilfs2: get rid of nilfs_bmap_union 2010-07-23 10:02:14 +09:00
cpfile.c nilfs2: improve execution time of NILFS_IOCTL_GET_CPINFO ioctl 2015-04-17 09:04:04 -04:00
cpfile.h nilfs2: use iget for all metadata files 2010-10-23 09:24:38 +09:00
dat.c nilfs2: verify metadata sizes read from disk 2014-04-03 16:21:26 -07:00
dat.h nilfs2: use iget for all metadata files 2010-10-23 09:24:38 +09:00
dir.c pagemap.h: move dir_pages() over there 2015-06-23 18:02:00 -04:00
direct.c nilfs2: add bmap function to seek a valid key 2015-04-17 09:04:03 -04:00
direct.h nilfs2: get rid of nilfs_bmap_union 2010-07-23 10:02:14 +09:00
export.h nilfs2: add omitted comments for different structures in driver implementation 2012-07-30 17:25:19 -07:00
file.c make new_sync_{read,write}() static 2015-04-11 22:29:40 -04:00
gcinode.c fs: remove mapping->backing_dev_info 2015-01-20 14:03:05 -07:00
ifile.c ] nilfs2: use atomic64_t type for inodes_count and blocks_count fields in nilfs_root struct 2013-07-03 16:08:01 -07:00
ifile.h nilfs2: implement calculation of free inodes count 2013-07-03 16:08:01 -07:00
inode.c mm, fs: introduce mapping_gfp_constraint() 2015-11-06 17:50:42 -08:00
ioctl.c ioctl_compat: handle FITRIM 2015-07-09 11:42:21 -07:00
Kconfig fs/nilfs2: remove depends on CONFIG_EXPERIMENTAL 2013-01-11 11:39:04 -08:00
Makefile nilfs2: integrate sysfs support into driver 2014-08-08 15:57:21 -07:00
mdt.c nilfs2: add tracepoints for analyzing reading and writing metadata files 2015-11-06 17:50:42 -08:00
mdt.h mm, page_alloc: rename __GFP_WAIT to __GFP_RECLAIM 2015-11-06 17:50:42 -08:00
namei.c NILFS2: support NFSv2 export 2015-06-25 17:00:43 -07:00
nilfs.h nilfs2: fix deadlock of segment constructor over I_SYNC flag 2015-02-05 13:35:29 -08:00
page.c nilfs2: use set_mask_bits() for operations on buffer state bitmap 2015-04-17 09:04:03 -04:00
page.h fs: remove mapping->backing_dev_info 2015-01-20 14:03:05 -07:00
recovery.c nilfs2: drop vmtruncate 2012-12-20 18:40:54 -05:00
segbuf.c block: remove bio_get_nr_vecs() 2015-08-13 12:32:04 -06:00
segbuf.h nilfs2: get rid of macros for segment summary information 2010-07-23 10:02:09 +09:00
segment.c nilfs2: add a tracepoint for transaction events 2015-11-06 17:50:42 -08:00
segment.h nilfs2: add a tracepoint for tracking stage transition of segment construction 2015-11-06 17:50:42 -08:00
sufile.c nilfs2: add tracepoints for analyzing sufile manipulation 2015-11-06 17:50:42 -08:00
sufile.h nilfs2: add nilfs_sufile_trim_fs to trim clean segs 2014-04-03 16:21:25 -07:00
super.c nilfs2: drop null test before destroy functions 2015-11-06 17:50:42 -08:00
sysfs.c nilfs2: integrate sysfs support into driver 2014-08-08 15:57:21 -07:00
sysfs.h nilfs2: add /sys/fs/nilfs2/<device>/mounted_snapshots/<snapshot> group 2014-08-08 15:57:21 -07:00
the_nilfs.c nilfs2: deletion of an unnecessary check before the function call "iput" 2014-12-10 17:41:16 -08:00
the_nilfs.h nilfs2: add missing blkdev_issue_flush() to nilfs_sync_fs() 2014-10-14 02:18:20 +02:00