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* f2fs: introduce FITRIM in f2fs_ioctlJaegeuk Kim2014-09-301-1/+2
| | | | | | | | | This patch introduces FITRIM in f2fs_ioctl. In this case, f2fs will issue small discards and prefree discards as many as possible for the given area. Reviewed-by: Chao Yu <chao2.yu@samsung.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
* f2fs: introduce cp_control structureJaegeuk Kim2014-09-301-5/+10
| | | | | | | | | This patch add a new data structure to control checkpoint parameters. Currently, it presents the reason of checkpoint such as is_umount and normal sync. Reviewed-by: Chao Yu <chao2.yu@samsung.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
* f2fs: add tracepoint for f2fs_direct_IOChao Yu2014-08-021-0/+63
| | | | | | | This patch adds a tracepoint for f2fs_direct_IO. Signed-off-by: Chao Yu <chao2.yu@samsung.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
* f2fs: add tracepoint for f2fs_issue_flushJaegeuk Kim2014-07-301-0/+24
| | | | | | This patch adds a tracepoint for f2fs_issue_flush. Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
* f2fs: add a tracepoint for f2fs_read_data_pageChao Yu2014-05-071-2/+13
| | | | | | | | This patch adds a tracepoint for f2fs_read_data_page to trace when page is readed by user. Signed-off-by: Chao Yu <chao2.yu@samsung.com> Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
* f2fs: add a tracepoint for f2fs_write_{meta,node,data}_pagesChao Yu2014-05-071-0/+64
| | | | | | | | This patch adds a tracepoint for f2fs_write_{meta,node,data}_pages to trace when pages are fsyncing/flushing. Signed-off-by: Chao Yu <chao2.yu@samsung.com> Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
* f2fs: add a tracepoint for f2fs_write_{meta,node,data}_pageChao Yu2014-05-071-0/+7
| | | | | | | | This patch adds a tracepoint for f2fs_write_{meta,node,data}_page to trace when page is writting out. Signed-off-by: Chao Yu <chao2.yu@samsung.com> Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
* f2fs: add a tracepoint for f2fs_write_endChao Yu2014-05-071-0/+30
| | | | | | | This patch adds a tracepoint for f2fs_write_end to trace write op of user. Signed-off-by: Chao Yu <chao2.yu@samsung.com> Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
* f2fs: add a tracepoint for f2fs_write_beginChao Yu2014-05-071-0/+30
| | | | | | | This patch adds a tracepoint for f2fs_write_begin to trace write op of user. Signed-off-by: Chao Yu <chao2.yu@samsung.com> Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
* Merge branch 'for-3.14/core' of git://git.kernel.dk/linux-blockLinus Torvalds2014-01-301-2/+2
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull core block IO changes from Jens Axboe: "The major piece in here is the immutable bio_ve series from Kent, the rest is fairly minor. It was supposed to go in last round, but various issues pushed it to this release instead. The pull request contains: - Various smaller blk-mq fixes from different folks. Nothing major here, just minor fixes and cleanups. - Fix for a memory leak in the error path in the block ioctl code from Christian Engelmayer. - Header export fix from CaiZhiyong. - Finally the immutable biovec changes from Kent Overstreet. This enables some nice future work on making arbitrarily sized bios possible, and splitting more efficient. Related fixes to immutable bio_vecs: - dm-cache immutable fixup from Mike Snitzer. - btrfs immutable fixup from Muthu Kumar. - bio-integrity fix from Nic Bellinger, which is also going to stable" * 'for-3.14/core' of git://git.kernel.dk/linux-block: (44 commits) xtensa: fixup simdisk driver to work with immutable bio_vecs block/blk-mq-cpu.c: use hotcpu_notifier() blk-mq: for_each_* macro correctness block: Fix memory leak in rw_copy_check_uvector() handling bio-integrity: Fix bio_integrity_verify segment start bug block: remove unrelated header files and export symbol blk-mq: uses page->list incorrectly blk-mq: use __smp_call_function_single directly btrfs: fix missing increment of bi_remaining Revert "block: Warn and free bio if bi_end_io is not set" block: Warn and free bio if bi_end_io is not set blk-mq: fix initializing request's start time block: blk-mq: don't export blk_mq_free_queue() block: blk-mq: make blk_sync_queue support mq block: blk-mq: support draining mq queue dm cache: increment bi_remaining when bi_end_io is restored block: fixup for generic bio chaining block: Really silence spurious compiler warnings block: Silence spurious compiler warnings block: Kill bio_pair_split() ...
| * block: Abstract out bvec iteratorKent Overstreet2013-11-231-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Immutable biovecs are going to require an explicit iterator. To implement immutable bvecs, a later patch is going to add a bi_bvec_done member to this struct; for now, this patch effectively just renames things. Signed-off-by: Kent Overstreet <kmo@daterainc.com> Cc: Jens Axboe <axboe@kernel.dk> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: "Ed L. Cashin" <ecashin@coraid.com> Cc: Nick Piggin <npiggin@kernel.dk> Cc: Lars Ellenberg <drbd-dev@lists.linbit.com> Cc: Jiri Kosina <jkosina@suse.cz> Cc: Matthew Wilcox <willy@linux.intel.com> Cc: Geoff Levand <geoff@infradead.org> Cc: Yehuda Sadeh <yehuda@inktank.com> Cc: Sage Weil <sage@inktank.com> Cc: Alex Elder <elder@inktank.com> Cc: ceph-devel@vger.kernel.org Cc: Joshua Morris <josh.h.morris@us.ibm.com> Cc: Philip Kelleher <pjk1939@linux.vnet.ibm.com> Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: "Michael S. Tsirkin" <mst@redhat.com> Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Cc: Jeremy Fitzhardinge <jeremy@goop.org> Cc: Neil Brown <neilb@suse.de> Cc: Alasdair Kergon <agk@redhat.com> Cc: Mike Snitzer <snitzer@redhat.com> Cc: dm-devel@redhat.com Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: linux390@de.ibm.com Cc: Boaz Harrosh <bharrosh@panasas.com> Cc: Benny Halevy <bhalevy@tonian.com> Cc: "James E.J. Bottomley" <JBottomley@parallels.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: "Nicholas A. Bellinger" <nab@linux-iscsi.org> Cc: Alexander Viro <viro@zeniv.linux.org.uk> Cc: Chris Mason <chris.mason@fusionio.com> Cc: "Theodore Ts'o" <tytso@mit.edu> Cc: Andreas Dilger <adilger.kernel@dilger.ca> Cc: Jaegeuk Kim <jaegeuk.kim@samsung.com> Cc: Steven Whitehouse <swhiteho@redhat.com> Cc: Dave Kleikamp <shaggy@kernel.org> Cc: Joern Engel <joern@logfs.org> Cc: Prasad Joshi <prasadjoshi.linux@gmail.com> Cc: Trond Myklebust <Trond.Myklebust@netapp.com> Cc: KONISHI Ryusuke <konishi.ryusuke@lab.ntt.co.jp> Cc: Mark Fasheh <mfasheh@suse.com> Cc: Joel Becker <jlbec@evilplan.org> Cc: Ben Myers <bpm@sgi.com> Cc: xfs@oss.sgi.com Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Len Brown <len.brown@intel.com> Cc: Pavel Machek <pavel@ucw.cz> Cc: "Rafael J. Wysocki" <rjw@sisk.pl> Cc: Herton Ronaldo Krzesinski <herton.krzesinski@canonical.com> Cc: Ben Hutchings <ben@decadent.org.uk> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Guo Chao <yan@linux.vnet.ibm.com> Cc: Tejun Heo <tj@kernel.org> Cc: Asai Thambi S P <asamymuthupa@micron.com> Cc: Selvan Mani <smani@micron.com> Cc: Sam Bradshaw <sbradshaw@micron.com> Cc: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Cc: "Roger Pau Monné" <roger.pau@citrix.com> Cc: Jan Beulich <jbeulich@suse.com> Cc: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Cc: Ian Campbell <Ian.Campbell@citrix.com> Cc: Sebastian Ott <sebott@linux.vnet.ibm.com> Cc: Christian Borntraeger <borntraeger@de.ibm.com> Cc: Minchan Kim <minchan@kernel.org> Cc: Jiang Liu <jiang.liu@huawei.com> Cc: Nitin Gupta <ngupta@vflare.org> Cc: Jerome Marchand <jmarchand@redhat.com> Cc: Joe Perches <joe@perches.com> Cc: Peng Tao <tao.peng@emc.com> Cc: Andy Adamson <andros@netapp.com> Cc: fanchaoting <fanchaoting@cn.fujitsu.com> Cc: Jie Liu <jeff.liu@oracle.com> Cc: Sunil Mushran <sunil.mushran@gmail.com> Cc: "Martin K. Petersen" <martin.petersen@oracle.com> Cc: Namjae Jeon <namjae.jeon@samsung.com> Cc: Pankaj Kumar <pankaj.km@samsung.com> Cc: Dan Magenheimer <dan.magenheimer@oracle.com> Cc: Mel Gorman <mgorman@suse.de>6
* | f2fs: refactor bio-related operationsJaegeuk Kim2013-12-231-20/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch integrates redundant bio operations on read and write IOs. 1. Move bio-related codes to the top of data.c. 2. Replace f2fs_submit_bio with f2fs_submit_merged_bio, which handles read bios additionally. 3. Introduce __submit_merged_bio to submit the merged bio. 4. Change f2fs_readpage to f2fs_submit_page_bio. 5. Introduce f2fs_submit_page_mbio to integrate previous submit_read_page and submit_write_page. Reviewed-by: Gu Zheng <guz.fnst@cn.fujitsu.com> Reviewed-by: Chao Yu <chao2.yu@samsung.com > Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
* | f2fs: add detailed information of bio types in the tracepointsJaegeuk Kim2013-12-231-5/+17
| | | | | | | | | | | | | | This patch inserts information of bio types in more detail. So, we can now see REQ_META and REQ_PRIO too. Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
* | f2fs: adds a tracepoint for f2fs_submit_read_bioChao Yu2013-12-231-17/+32
| | | | | | | | | | | | | | | | This patch adds a tracepoint for f2fs_submit_read_bio. Signed-off-by: Chao Yu <chao2.yu@samsung.com> [Jaegeuk Kim: integrate tracepoints of f2fs_submit_read(_write)_bio] Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
* | f2fs: adds a tracepoint for submit_read_pageChao Yu2013-12-231-4/+21
| | | | | | | | | | | | | | | | This patch adds a tracepoint for submit_read_page. Signed-off-by: Chao Yu <chao2.yu@samsung.com> [Jaegeuk Kim: integrate tracepoints of f2fs_submit_read(_write)_page] Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
* | f2fs: add a tracepoint for f2fs_issue_discardJaegeuk Kim2013-12-231-0/+23
|/ | | | | | This patch adds a tracepoint for f2fs_issue_discard. Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
* f2fs: add tracepoint for vm_page_mkwriteJaegeuk Kim2013-10-251-0/+7
| | | | | | This patch adds a tracepoint for f2fs_vm_page_mkwrite. Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
* f2fs: add tracepoint for set_page_dirtyJaegeuk Kim2013-10-251-0/+44
| | | | | | This patch adds a tracepoint for set_page_dirty. Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
* f2fs: add a tracepoint on f2fs_new_inodeJaegeuk Kim2013-04-291-0/+7
| | | | | | | This can help when debugging the free nid allocation flows. Reviewed-by: Namjae Jeon <namjae.jeon@samsung.com> Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
* f2fs: add tracepoints to debug checkpoint requestNamjae Jeon2013-04-231-0/+24
| | | | | | | | | | Add tracepoints to debug checkpoint request. Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com> Signed-off-by: Pankaj Kumar <pankaj.km@samsung.com> Acked-by: Steven Rostedt <rostedt@goodmis.org> [Jaegeuk: change expressions] Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
* f2fs: add tracepoints for write page operationsNamjae Jeon2013-04-231-0/+67
| | | | | | | | | | | Add tracepoints to debug the various page write operation like data pages, meta pages. Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com> Signed-off-by: Pankaj Kumar <pankaj.km@samsung.com> Acked-by: Steven Rostedt <rostedt@goodmis.org> [Jaegeuk: remove unnecessary tracepoints] Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
* f2fs: add tracepoints to debug the block allocationNamjae Jeon2013-04-231-0/+64
| | | | | | | | | | Add tracepoints to debug the block allocation & fallocate. Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com> Signed-off-by: Pankaj Kumar <pankaj.km@samsung.com> Acked-by: Steven Rostedt <rostedt@goodmis.org> [Jaegeuk: enhance information] Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
* f2fs: add tracepoints for GC threadsNamjae Jeon2013-04-231-0/+75
| | | | | | | | | | | Add tracepoints for tracing the garbage collector threads in f2fs with status of collection & type. Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com> Signed-off-by: Pankaj Kumar <pankaj.km@samsung.com> Acked-by: Steven Rostedt <rostedt@goodmis.org> [Jaegeuk: modify slightly to show information] Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
* f2fs: add tracepoint for tracing the page i/oNamjae Jeon2013-04-231-0/+74
| | | | | | | | | | | Add tracepoints for page i/o operations and block allocation tracing during page read operation. Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com> Signed-off-by: Pankaj Kumar <pankaj.km@samsung.com> Acked-by: Steven Rostedt <rostedt@goodmis.org> [Jaegeuk: combine and modify the tracepoint structures] Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
* f2fs: add tracepoints for truncate operationNamjae Jeon2013-04-231-0/+176
| | | | | | | | | | | | | | add tracepoints for tracing the truncate operations like truncate node/data blocks, f2fs_truncate etc. Tracepoints are added at entry and exit of operation to trace the success & failure of operation. Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com> Signed-off-by: Pankaj Kumar <pankaj.km@samsung.com> Acked-by: Steven Rostedt <rostedt@goodmis.org> [Jaegeuk: combine and modify the tracepoint structures] Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
* f2fs: add tracepoints for sync & inode operationsNamjae Jeon2013-04-231-0/+195
Add tracepoints in f2fs for tracing the syncing operations like filesystem sync, file sync enter/exit. It will helf to trace the code under debugging scenarios. Also add tracepoints for tracing the various inode operations like building inode, eviction of inode, link/unlike of inodes. Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com> Signed-off-by: Pankaj Kumar <pankaj.km@samsung.com> Acked-by: Steven Rostedt <rostedt@goodmis.org> [Jaegeuk: combine and modify the tracepoint structures] Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
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