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linux/fs/xfs
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Jens Axboe dac56212e8 bio: skip atomic inc/dec of ->bi_cnt for most use cases 
Struct bio has a reference count that controls when it can be freed.
Most uses cases is allocating the bio, which then returns with a
single reference to it, doing IO, and then dropping that single
reference. We can remove this atomic_dec_and_test() in the completion
path, if nobody else is holding a reference to the bio.

If someone does call bio_get() on the bio, then we flag the bio as
now having valid count and that we must properly honor the reference
count when it's being put.

Tested-by: Robert Elliott <elliott@hp.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
2015-05-05 13:32:49 -06:00
..
libxfs
Merge branch 'xfs-misc-fixes-for-4.1-3' into for-next
2015-04-13 11:40:16 +10:00
Kconfig
xfs: require 64-bit sector_t
2014-07-30 09:12:05 +10:00
kmem.c
xfs: change kmem_free to use generic kvfree()
2015-02-02 09:54:18 +11:00
kmem.h
xfs: change kmem_free to use generic kvfree()
2015-02-02 09:54:18 +11:00
Makefile
xfs: implement pNFS export operations
2015-02-16 11:49:23 +11:00
mrlock.h
xfs: introduce CONFIG_XFS_WARN
2013-05-07 18:45:36 -05:00
uuid.c
…
uuid.h
xfs: add CRC infrastructure
2012-11-19 20:11:24 -06:00
xfs_acl.c
xfs: move most of xfs_sb.h to xfs_format.h
2014-11-28 14:27:09 +11:00
xfs_acl.h
xfs: move acl structures to xfs_format.h
2014-11-28 14:24:37 +11:00
xfs_aops.c
bio: skip atomic inc/dec of ->bi_cnt for most use cases
2015-05-05 13:32:49 -06:00
xfs_aops.h
xfs: don't allocate an ioend for direct I/O completions
2015-02-02 10:02:09 +11:00
xfs_attr_inactive.c
xfs: pass attr geometry to attr leaf header conversion functions
2015-04-13 11:26:02 +10:00
xfs_attr_list.c
xfs: pass attr geometry to attr leaf header conversion functions
2015-04-13 11:26:02 +10:00
xfs_attr.h
xfs: kill xfs_vnodeops.[ch]
2013-08-12 16:53:39 -05:00
xfs_bit.c
xfs: fix static and extern sparse warnings
2013-10-30 13:59:56 -05:00
xfs_bmap_util.c
Merge branch 'xfs-misc-fixes-for-4.1-3' into for-next
2015-04-13 11:40:16 +10:00
xfs_bmap_util.h
xfs: Add support FALLOC_FL_INSERT_RANGE for fallocate
2015-03-25 15:08:56 +11:00
xfs_buf_item.c
xfs: clarify async write failure ratelimit message
2015-02-24 10:14:04 +11:00
xfs_buf_item.h
xfs: decouple inode and bmap btree header files
2013-10-23 16:28:49 -05:00
xfs_buf.c
list_lru: add helpers to isolate items
2015-02-12 18:54:10 -08:00
xfs_buf.h
xfs: split metadata and log buffer completion to separate workqueues
2014-12-04 09:43:17 +11:00
xfs_dir2_readdir.c
Merge branch 'xfs-misc-fixes-for-3.19-2' into for-next
2014-12-04 09:46:17 +11:00
xfs_discard.c
xfs: pass mp to XFS_WANT_CORRUPTED_GOTO
2015-02-23 22:39:08 +11:00
xfs_discard.h
…
xfs_dquot_item.c
xfs: move most of xfs_sb.h to xfs_format.h
2014-11-28 14:27:09 +11:00
xfs_dquot_item.h
xfs: remove the quotaoff log format from the quotaoff log item
2013-12-13 11:34:08 +11:00
xfs_dquot.c
xfs: move most of xfs_sb.h to xfs_format.h
2014-11-28 14:27:09 +11:00
xfs_dquot.h
xfs: fix implicit bool to int conversion
2015-01-09 10:48:58 +11:00
xfs_error.c
xfs: %pF is only for function pointers
2015-03-25 14:56:21 +11:00
xfs_error.h
xfs: pass mp to XFS_WANT_CORRUPTED_RETURN
2015-02-23 22:39:13 +11:00
xfs_export.c
VFS: normal filesystems (and lustre): d_inode() annotations
2015-04-15 15:06:57 -04:00
xfs_export.h
…
xfs_extent_busy.c
xfs: merge xfs_ag.h into xfs_format.h
2014-11-28 14:25:04 +11:00
xfs_extent_busy.h
xfs: decouple inode and bmap btree header files
2013-10-23 16:28:49 -05:00
xfs_extfree_item.c
xfs: move most of xfs_sb.h to xfs_format.h
2014-11-28 14:27:09 +11:00
xfs_extfree_item.h
xfs: split out EFI/EFD log item format definition
2013-08-12 16:07:13 -05:00
xfs_file.c
Merge tag 'xfs-for-linus-4.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/dgc/linux-xfs
2015-04-24 07:08:41 -07:00
xfs_filestream.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
xfs_filestream.h
xfs: add filestream allocator tracepoints
2014-04-23 07:11:52 +10:00
xfs_fsops.c
xfs: remove xfs_mod_incore_sb API
2015-02-23 21:24:37 +11:00
xfs_fsops.h
…
xfs_globals.c
xfs: export log_recovery_delay to delay mount time log recovery
2014-09-09 11:56:13 +10:00
xfs_icache.c
xfs: inodes are new until the dentry cache is set up
2015-02-23 22:38:08 +11:00
xfs_icache.h
xfs: merge xfs_ag.h into xfs_format.h
2014-11-28 14:25:04 +11:00
xfs_icreate_item.c
xfs: move most of xfs_sb.h to xfs_format.h
2014-11-28 14:27:09 +11:00
xfs_icreate_item.h
xfs: separate icreate log format definitions from xfs_icreate_item.h
2013-08-12 16:10:35 -05:00
xfs_inode_item.c
xfs: move most of xfs_sb.h to xfs_format.h
2014-11-28 14:27:09 +11:00
xfs_inode_item.h
xfs: remove the inode log format from the inode log item
2013-12-13 11:34:05 +11:00
xfs_inode.c
Merge branch 'xfs-misc-fixes-for-4.1-2' into for-next
2015-03-25 15:12:30 +11:00
xfs_inode.h
Merge branch 'xfs-mmap-lock' into for-next
2015-02-24 10:27:47 +11:00
xfs_ioctl32.c
VFS: normal filesystems (and lustre): d_inode() annotations
2015-04-15 15:06:57 -04:00
xfs_ioctl32.h
xfs: compat_xfs_bstat does not have forkoff
2014-10-02 09:17:58 +10:00
xfs_ioctl.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
xfs_ioctl.h
xfs: consolidate extent swap code
2013-08-12 16:56:06 -05:00
xfs_iomap.c
xfs: Remove icsb infrastructure
2015-02-23 21:22:31 +11:00
xfs_iomap.h
xfs: pass a 64-bit count argument to xfs_iomap_write_unwritten
2015-01-09 10:48:12 +11:00
xfs_iops.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
xfs_iops.h
xfs: inodes are new until the dentry cache is set up
2015-02-23 22:38:08 +11:00
xfs_itable.c
xfs: pass mp to XFS_WANT_CORRUPTED_RETURN
2015-02-23 22:39:13 +11:00
xfs_itable.h
xfs: bulkstat chunk formatting cursor is broken
2014-11-07 08:30:30 +11:00
xfs_linux.h
xfs: Remove icsb infrastructure
2015-02-23 21:22:31 +11:00
xfs_log_cil.c
xfs: move most of xfs_sb.h to xfs_format.h
2014-11-28 14:27:09 +11:00
xfs_log_priv.h
xfs: add xlog sysfs kobject and attribute handlers
2014-07-15 08:07:29 +10:00
xfs_log_recover.c
xfs: Remove icsb infrastructure
2015-02-23 21:22:31 +11:00
xfs_log.c
Merge branch 'xfs-sb-logging-rework' into for-next
2015-01-22 09:20:53 +11:00
xfs_log.h
xfs: log vector rounding leaks log space
2014-05-20 08:18:09 +10:00
xfs_message.c
xfs: move most of xfs_sb.h to xfs_format.h
2014-11-28 14:27:09 +11:00
xfs_message.h
xfs: introduce CONFIG_XFS_WARN
2013-05-07 18:45:36 -05:00
xfs_mount.c
xfs: remove xfs_mod_incore_sb API
2015-02-23 21:24:37 +11:00
xfs_mount.h
xfs: remove xfs_mod_incore_sb API
2015-02-23 21:24:37 +11:00
xfs_mru_cache.c
xfs: xfs_mru_cache_insert() should use GFP_NOFS
2015-03-25 14:57:53 +11:00
xfs_mru_cache.h
xfs: embedd mru_elem into parent structure
2014-04-23 07:11:51 +10:00
xfs_pnfs.c
Merge branch 'xfs-misc-fixes-for-4.1-3' into for-next
2015-04-13 11:40:16 +10:00
xfs_pnfs.h
xfs: unlock i_mutex in xfs_break_layouts
2015-04-13 11:38:29 +10:00
xfs_qm_bhv.c
xfs: move most of xfs_sb.h to xfs_format.h
2014-11-28 14:27:09 +11:00
xfs_qm_syscalls.c
xfs: Convert to using ->get_state callback
2015-03-04 16:06:36 +01:00
xfs_qm.c
Merge branch 'xfs-misc-fixes-for-4.1' into for-next
2015-02-24 10:24:07 +11:00
xfs_qm.h
xfs: Convert to using ->get_state callback
2015-03-04 16:06:36 +01:00
xfs_quota.h
xfs: split dquot buffer operations out
2013-10-23 14:28:35 -05:00
xfs_quotaops.c
xfs: Add support for Q_SETINFO
2015-03-04 16:06:38 +01:00
xfs_rtalloc.c
xfs: move most of xfs_sb.h to xfs_format.h
2014-11-28 14:27:09 +11:00
xfs_rtalloc.h
xfs: combine xfs_rtmodify_summary and xfs_rtget_summary
2014-09-09 11:58:42 +10:00
xfs_stats.c
xfs: support the XFS_BTNUM_FINOBT free inode btree type
2014-04-24 16:00:52 +10:00
xfs_stats.h
xfs: support the XFS_BTNUM_FINOBT free inode btree type
2014-04-24 16:00:52 +10:00
xfs_super.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
xfs_super.h
xfs: Remove icsb infrastructure
2015-02-23 21:22:31 +11:00
xfs_symlink.c
xfs: inodes are new until the dentry cache is set up
2015-02-23 22:38:08 +11:00
xfs_symlink.h
xfs: push down inactive transaction mgmt for remote symlinks
2013-10-08 14:53:02 -05:00
xfs_sysctl.c
xfs: remove deprecated sysctls
2015-01-09 10:47:43 +11:00
xfs_sysctl.h
xfs: export log_recovery_delay to delay mount time log recovery
2014-09-09 11:56:13 +10:00
xfs_sysfs.c
xfs: export log_recovery_delay to delay mount time log recovery
2014-09-09 11:56:13 +10:00
xfs_sysfs.h
xfs: add debug sysfs attribute set
2014-09-09 11:52:42 +10:00
xfs_trace.c
xfs: move most of xfs_sb.h to xfs_format.h
2014-11-28 14:27:09 +11:00
xfs_trace.h
Merge branch 'xfs-dio-extend-fix' into for-next
2015-04-16 22:13:18 +10:00
xfs_trans_ail.c
xfs: move most of xfs_sb.h to xfs_format.h
2014-11-28 14:27:09 +11:00
xfs_trans_buf.c
xfs: only trace buffer items if they exist
2015-02-10 09:23:40 +11:00
xfs_trans_dquot.c
xfs: move most of xfs_sb.h to xfs_format.h
2014-11-28 14:27:09 +11:00
xfs_trans_extfree.c
xfs: move most of xfs_sb.h to xfs_format.h
2014-11-28 14:27:09 +11:00
xfs_trans_inode.c
xfs: move most of xfs_sb.h to xfs_format.h
2014-11-28 14:27:09 +11:00
xfs_trans_priv.h
xfs: remove unused ail pointer arg from xfs_trans_ail_cursor_done()
2014-04-14 19:06:05 +10:00
xfs_trans.c
xfs: replace xfs_mod_incore_sb_batched
2015-02-23 21:24:11 +11:00
xfs_trans.h
xfs: format log items write directly into the linear CIL buffer
2013-12-13 11:34:02 +11:00
xfs_xattr.c
VFS: normal filesystems (and lustre): d_inode() annotations
2015-04-15 15:06:57 -04:00
xfs.h
xfs: introduce CONFIG_XFS_WARN
2013-05-07 18:45:36 -05:00