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41617e1a8d
linux-next/fs/ocfs2
History
Jan Kara 41617e1a8d jbd2: add support for avoiding data writes during transaction commits 
Currently when filesystem needs to make sure data is on permanent
storage before committing a transaction it adds inode to transaction's
inode list. During transaction commit, jbd2 writes back all dirty
buffers that have allocated underlying blocks and waits for the IO to
finish. However when doing writeback for delayed allocated data, we
allocate blocks and immediately submit the data. Thus asking jbd2 to
write dirty pages just unnecessarily adds more work to jbd2 possibly
writing back other redirtied blocks.

Add support to jbd2 to allow filesystem to ask jbd2 to only wait for
outstanding data writes before committing a transaction and thus avoid
unnecessary writes.

Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
2016-04-24 00:56:07 -04:00
..
cluster mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros 2016-04-04 10:41:08 -07:00
dlm ocfs2/dlm: move lock to the tail of grant queue while doing in-place convert 2016-03-25 16:37:42 -07:00
dlmfs mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros 2016-04-04 10:41:08 -07:00
acl.c ocfs2: take inode lock in ocfs2_iop_set/get_acl() 2015-09-04 16:54:41 -07:00
acl.h ocfs2: use generic posix ACL infrastructure 2014-01-25 23:58:21 -05:00
alloc.c mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros 2016-04-04 10:41:08 -07:00
alloc.h ocfs2: constify ocfs2_extent_tree_operations structures 2016-01-14 16:00:49 -08:00
aops.c mm, fs: remove remaining PAGE_CACHE_* and page_cache_{get,release} usage 2016-04-04 10:41:08 -07:00
aops.h ocfs2: fix ip_unaligned_aio deadlock with dio work queue 2016-03-25 16:37:42 -07:00
blockcheck.c
blockcheck.h
buffer_head_io.c ocfs2: clear the rest of the buffers on error 2015-09-04 16:54:41 -07:00
buffer_head_io.h
dcache.c VFS: normal filesystems (and lustre): d_inode() annotations 2015-04-15 15:06:57 -04:00
dcache.h ocfs2: revert iput deferring code in ocfs2_drop_dentry_lock 2014-04-03 16:20:55 -07:00
dir.c wrappers for ->i_mutex access 2016-01-22 18:04:28 -05:00
dir.h VFS: normal filesystems (and lustre): d_inode() annotations 2015-04-15 15:06:57 -04:00
dlmglue.c ocfs2: NFS hangs in __ocfs2_cluster_lock due to race with ocfs2_unblock_lock 2016-01-21 17:20:51 -08:00
dlmglue.h ocfs2: avoid blocking in ocfs2_mark_lockres_freeing() in downconvert thread 2014-04-03 16:20:55 -07:00
export.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2015-04-26 17:22:07 -07:00
export.h
extent_map.c ocfs2: neaten do_error, ocfs2_error and ocfs2_abort 2015-09-04 16:54:41 -07:00
extent_map.h
file.c mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros 2016-04-04 10:41:08 -07:00
file.h ocfs2: prepare some interfaces used in append direct io 2015-02-16 17:56:04 -08:00
filecheck.c ocfs2: sysfile interfaces for online file check 2016-03-22 15:36:02 -07:00
filecheck.h ocfs2: sysfile interfaces for online file check 2016-03-22 15:36:02 -07:00
heartbeat.c
heartbeat.h
inode.c ocfs2: record UNWRITTEN extents when populate write desc 2016-03-25 16:37:42 -07:00
inode.h ocfs2: fix ip_unaligned_aio deadlock with dio work queue 2016-03-25 16:37:42 -07:00
ioctl.c wrappers for ->i_mutex access 2016-01-22 18:04:28 -05:00
ioctl.h
journal.c ocfs2: fix occurring deadlock by changing ocfs2_wq from global to local 2016-03-25 16:37:42 -07:00
journal.h jbd2: add support for avoiding data writes during transaction commits 2016-04-24 00:56:07 -04:00
Kconfig
localalloc.c ocfs2: fix occurring deadlock by changing ocfs2_wq from global to local 2016-03-25 16:37:42 -07:00
localalloc.h ocfs2: free allocated clusters if error occurs after ocfs2_claim_clusters 2014-02-06 13:48:51 -08:00
locks.c ocfs2: fix flock panic issue 2015-12-29 17:45:49 -08:00
locks.h
Makefile ocfs2: sysfile interfaces for online file check 2016-03-22 15:36:02 -07:00
mmap.c mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros 2016-04-04 10:41:08 -07:00
mmap.h
move_extents.c wrappers for ->i_mutex access 2016-01-22 18:04:28 -05:00
move_extents.h
namei.c wrappers for ->i_mutex access 2016-01-22 18:04:28 -05:00
namei.h ocfs2: do not include dio entry in case of orphan scan 2015-11-05 19:34:48 -08:00
ocfs1_fs_compat.h
ocfs2_fs.h treewide: fix typos in comment blocks 2015-08-07 14:46:24 +02:00
ocfs2_ioctl.h
ocfs2_lockid.h
ocfs2_lockingver.h
ocfs2_trace.h ocfs2: code clean up for direct io 2016-03-25 16:37:42 -07:00
ocfs2.h mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros 2016-04-04 10:41:08 -07:00
quota_global.c ocfs2: Fix Q_GETNEXTQUOTA for filesystem without quotas 2016-03-29 17:44:11 +02:00
quota_local.c ocfs2: neaten do_error, ocfs2_error and ocfs2_abort 2015-09-04 16:54:41 -07:00
quota.h quota: constify qtree_fmt_operations structures 2016-01-04 10:58:35 +01:00
refcounttree.c mm, fs: remove remaining PAGE_CACHE_* and page_cache_{get,release} usage 2016-04-04 10:41:08 -07:00
refcounttree.h ocfs2: fix NULL pointer dereference in ocfs2_duplicate_clusters_by_page 2013-08-13 17:57:49 -07:00
reservations.c ocfs2: make resv_lock spinlock static 2015-02-10 14:30:29 -08:00
reservations.h
resize.c ocfs2: solve a problem of crossing the boundary in updating backups 2016-03-25 16:37:42 -07:00
resize.h
slot_map.c ocfs2: fix slot overwritten if storage link down during mount 2016-01-14 16:00:49 -08:00
slot_map.h
stack_o2cb.c ocfs2: avoid a pointless delay in o2cb_cluster_check() 2015-04-14 16:48:57 -07:00
stack_user.c char: make misc_deregister a void function 2015-08-05 10:35:49 -07:00
stackglue.c ocfs2: export ocfs2_kset for online file check 2016-03-22 15:36:02 -07:00
stackglue.h ocfs2: export ocfs2_kset for online file check 2016-03-22 15:36:02 -07:00
suballoc.c wrappers for ->i_mutex access 2016-01-22 18:04:28 -05:00
suballoc.h ocfs2: rollback alloc_dinode counts when ocfs2_block_group_set_bits() failed 2014-04-03 16:20:56 -07:00
super.c mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros 2016-04-04 10:41:08 -07:00
super.h ocfs2: fix occurring deadlock by changing ocfs2_wq from global to local 2016-03-25 16:37:42 -07:00
symlink.c switch ->get_link() to delayed_call, kill ->put_link() 2015-12-30 13:01:03 -05:00
symlink.h
sysfile.c ocfs2: avoid system inode ref confusion by adding mutex lock 2014-04-03 16:20:57 -07:00
sysfile.h
uptodate.c ocfs2: remove NULL assignments on static 2014-06-04 16:53:53 -07:00
uptodate.h
xattr.c wrappers for ->i_mutex access 2016-01-22 18:04:28 -05:00
xattr.h ocfs2: use generic posix ACL infrastructure 2014-01-25 23:58:21 -05:00