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6691cd9267
linux/fs/xfs
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Brian Foster 6691cd9267 xfs: skip small alloc cntbt logic on NULL cursor 
The small allocation helper is implemented in a way that is fairly
tightly integrated to the existing allocation algorithms. It expects
a cntbt cursor beyond the end of the tree, attempts to locate the
last record in the tree and only attempts an AGFL allocation if the
cntbt is empty.

The upcoming generic algorithm doesn't rely on the cntbt processing
of this function. It will only call this function when the cntbt
doesn't have a big enough extent or is empty and thus AGFL
allocation is the only remaining option. Tweak
xfs_alloc_ag_vextent_small() to handle a NULL cntbt cursor and skip
the cntbt logic. This facilitates use by the existing allocation
code and new code that only requires an AGFL allocation attempt.

Signed-off-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
2019-06-28 19:30:20 -07:00
..
libxfs xfs: skip small alloc cntbt logic on NULL cursor 2019-06-28 19:30:20 -07:00
scrub xfs: remove unused flag arguments 2019-06-12 09:00:00 -07:00
Kconfig treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
kmem.c xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
kmem.h xfs: make mem_to_page available outside of xfs_buf.c 2019-06-28 19:27:19 -07:00
Makefile xfs: merge xfs_trans_bmap.c into xfs_bmap_item.c 2019-06-28 19:29:42 -07:00
mrlock.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_acl.c xfs: move xfs_ino_geometry to xfs_shared.h 2019-06-28 19:25:35 -07:00
xfs_acl.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_aops.c for-5.2/block-20190507 2019-05-07 18:14:36 -07:00
xfs_aops.h xfs: implement per-inode writeback completion queues 2019-04-16 10:01:57 -07:00
xfs_attr_inactive.c xfs: add struct xfs_mount pointer to struct xfs_buf 2019-06-28 19:27:29 -07:00
xfs_attr_list.c xfs: move xfs_ino_geometry to xfs_shared.h 2019-06-28 19:25:35 -07:00
xfs_bio_io.c xfs: use bios directly to read and write the log recovery buffers 2019-06-28 19:27:26 -07:00
xfs_bmap_item.c xfs: merge xfs_trans_bmap.c into xfs_bmap_item.c 2019-06-28 19:29:42 -07:00
xfs_bmap_item.h xfs: merge xfs_bud_init into xfs_trans_get_bud 2019-06-28 19:27:36 -07:00
xfs_bmap_util.c xfs: remove unused flag arguments 2019-06-12 09:00:00 -07:00
xfs_bmap_util.h xfs: flush removing page cache in xfs_reflink_remap_prep 2018-11-21 10:10:53 -08:00
xfs_buf_item.c xfs: remove a pointless comment duplicated above all xfs_item_ops instances 2019-06-28 19:27:34 -07:00
xfs_buf_item.h xfs: remove the xfs_log_item_t typedef 2019-06-28 19:27:33 -07:00
xfs_buf.c xfs: add struct xfs_mount pointer to struct xfs_buf 2019-06-28 19:27:29 -07:00
xfs_buf.h xfs: add struct xfs_mount pointer to struct xfs_buf 2019-06-28 19:27:29 -07:00
xfs_dir2_readdir.c xfs: move xfs_ino_geometry to xfs_shared.h 2019-06-28 19:25:35 -07:00
xfs_discard.c xfs: move xfs_ino_geometry to xfs_shared.h 2019-06-28 19:25:35 -07:00
xfs_discard.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
xfs_dquot_item.c xfs: remove a pointless comment duplicated above all xfs_item_ops instances 2019-06-28 19:27:34 -07:00
xfs_dquot_item.h xfs: remove the xfs_log_item_t typedef 2019-06-28 19:27:33 -07:00
xfs_dquot.c xfs: always rejoin held resources during defer roll 2019-04-30 08:19:13 -07:00
xfs_dquot.h xfs: remove the debug-only q_transp field from struct xfs_dquot 2019-06-12 08:59:59 -07:00
xfs_error.c xfs: add struct xfs_mount pointer to struct xfs_buf 2019-06-28 19:27:29 -07:00
xfs_error.h xfs: Introduce XFS_PTAG_VERIFIER_ERROR panic mask 2019-02-11 16:07:00 -08:00
xfs_export.c xfs: move xfs_ino_geometry to xfs_shared.h 2019-06-28 19:25:35 -07:00
xfs_export.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_extent_busy.c xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_extent_busy.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_extfree_item.c xfs: merge xfs_trans_extfree.c into xfs_extfree_item.c 2019-06-28 19:28:17 -07:00
xfs_extfree_item.h xfs: merge xfs_efd_init into xfs_trans_get_efd 2019-06-28 19:27:35 -07:00
xfs_file.c xfs: use file_modified() helper 2019-06-09 10:06:19 -07:00
xfs_filestream.c xfs: move xfs_ino_geometry to xfs_shared.h 2019-06-28 19:25:35 -07:00
xfs_filestream.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_fsmap.c xfs: trivial xfs_btree_del_cursor cleanups 2018-07-23 09:08:00 -07:00
xfs_fsmap.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_fsops.c xfs: separate inode geometry 2019-06-12 08:37:40 -07:00
xfs_fsops.h xfs: change some error-less functions to void types 2019-05-01 20:26:30 -07:00
xfs_globals.c xfs: Introduce XFS_PTAG_VERIFIER_ERROR panic mask 2019-02-11 16:07:00 -08:00
xfs_health.c xfs: report inode health via bulkstat 2019-04-14 18:15:58 -07:00
xfs_icache.c xfs: move xfs_ino_geometry to xfs_shared.h 2019-06-28 19:25:35 -07:00
xfs_icache.h xfs: rename the speculative block allocation reclaim toggle functions 2019-04-26 12:28:55 -07:00
xfs_icreate_item.c xfs: remove a pointless comment duplicated above all xfs_item_ops instances 2019-06-28 19:27:34 -07:00
xfs_icreate_item.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_inode_item.c xfs: remove a pointless comment duplicated above all xfs_item_ops instances 2019-06-28 19:27:34 -07:00
xfs_inode_item.h xfs: remove the xfs_log_item_t typedef 2019-06-28 19:27:33 -07:00
xfs_inode.c xfs: remove the xfs_log_item_t typedef 2019-06-28 19:27:33 -07:00
xfs_inode.h xfs: widen inode delalloc block counter to 64-bits 2019-04-23 08:36:23 -07:00
xfs_ioctl32.c xfs: move xfs_ino_geometry to xfs_shared.h 2019-06-28 19:25:35 -07:00
xfs_ioctl32.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_ioctl.c xfs: change some error-less functions to void types 2019-05-01 20:26:30 -07:00
xfs_ioctl.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_iomap.c xfs: rework breaking of shared extents in xfs_file_iomap_begin 2019-02-25 09:26:18 -08:00
xfs_iomap.h xfs: fix SEEK_DATA for speculative COW fork preallocation 2019-02-21 07:55:07 -08:00
xfs_iops.c xfs: fix reporting supported extra file attributes for statx() 2019-03-01 08:57:25 -08:00
xfs_iops.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_itable.c xfs: separate inode geometry 2019-06-12 08:37:40 -07:00
xfs_itable.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_linux.h xfs: use bios directly to read and write the log recovery buffers 2019-06-28 19:27:26 -07:00
xfs_log_cil.c xfs: use a list_head for iclog callbacks 2019-06-28 19:27:34 -07:00
xfs_log_priv.h xfs: use a list_head for iclog callbacks 2019-06-28 19:27:34 -07:00
xfs_log_recover.c xfs: remove the xfs_log_item_t typedef 2019-06-28 19:27:33 -07:00
xfs_log.c xfs: use a list_head for iclog callbacks 2019-06-28 19:27:34 -07:00
xfs_log.h xfs: use a list_head for iclog callbacks 2019-06-28 19:27:34 -07:00
xfs_message.c xfs: move xfs_ino_geometry to xfs_shared.h 2019-06-28 19:25:35 -07:00
xfs_message.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
xfs_mount.c xfs: remove unused flags arg from getsb interfaces 2019-06-12 08:59:58 -07:00
xfs_mount.h xfs: move the log ioend workqueue to struct xlog 2019-06-28 19:27:25 -07:00
xfs_mru_cache.c xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_mru_cache.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_ondisk.h xfs: compile time offset checks for common v4/v5 metadata 2019-02-11 16:07:01 -08:00
xfs_pnfs.c xfs: move xfs_ino_geometry to xfs_shared.h 2019-06-28 19:25:35 -07:00
xfs_pnfs.h xfs: prepare xfs_break_layouts() for another layout type 2018-05-22 07:19:08 -07:00
xfs_qm_bhv.c xfs: move xfs_ino_geometry to xfs_shared.h 2019-06-28 19:25:35 -07:00
xfs_qm_syscalls.c xfs: clean up IRELE/iput callsites 2018-07-26 10:15:16 -07:00
xfs_qm.c xfs: widen inode delalloc block counter to 64-bits 2019-04-23 08:36:23 -07:00
xfs_qm.h xfs: widen quota block counters to 64-bit integers 2019-04-23 08:36:23 -07:00
xfs_quota.h xfs: kill the xfs_dqtrx_t typedef 2019-04-23 08:36:23 -07:00
xfs_quotaops.c xfs: move xfs_ino_geometry to xfs_shared.h 2019-06-28 19:25:35 -07:00
xfs_refcount_item.c xfs: merge xfs_trans_refcount.c into xfs_refcount_item.c 2019-06-28 19:29:41 -07:00
xfs_refcount_item.h xfs: merge xfs_cud_init into xfs_trans_get_cud 2019-06-28 19:27:35 -07:00
xfs_reflink.c xfs: fix uninitialized error variables 2019-02-25 10:16:41 -08:00
xfs_reflink.h xfs: don't pass iomap flags to xfs_reflink_allocate_cow 2019-02-25 09:04:31 -08:00
xfs_rmap_item.c xfs: merge xfs_trans_rmap.c into xfs_rmap_item.c 2019-06-28 19:29:41 -07:00
xfs_rmap_item.h xfs: merge xfs_rud_init into xfs_trans_get_rud 2019-06-28 19:27:36 -07:00
xfs_rtalloc.c xfs: reallocate realtime summary cache on growfs 2018-12-21 18:45:18 -08:00
xfs_rtalloc.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_stats.c xfs: use offsetof() in place of offset macros for __xfsstats 2018-10-18 17:21:39 +11:00
xfs_stats.h xfs: use offsetof() in place of offset macros for __xfsstats 2018-10-18 17:21:39 +11:00
xfs_super.c xfs: move the log ioend workqueue to struct xlog 2019-06-28 19:27:25 -07:00
xfs_super.h xfs: include WARN, REPAIR build options in XFS_BUILD_OPTIONS 2019-06-12 08:37:40 -07:00
xfs_symlink.c xfs: zero length symlinks are not valid 2018-12-12 08:47:15 -08:00
xfs_symlink.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_sysctl.c xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_sysctl.h xfs: introduce an always_cow mode 2019-02-21 07:55:07 -08:00
xfs_sysfs.c xfs: introduce an always_cow mode 2019-02-21 07:55:07 -08:00
xfs_sysfs.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_trace.c xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_trace.h xfs: split iop_unlock 2019-06-28 19:27:32 -07:00
xfs_trans_ail.c xfs: remove the xfs_log_item_t typedef 2019-06-28 19:27:33 -07:00
xfs_trans_buf.c xfs: split iop_unlock 2019-06-28 19:27:32 -07:00
xfs_trans_dquot.c xfs: remove the debug-only q_transp field from struct xfs_dquot 2019-06-12 08:59:59 -07:00
xfs_trans_inode.c vfs/y2038: inode timestamps conversion to timespec64 2018-06-15 07:31:07 +09:00
xfs_trans_priv.h xfs: don't use xfs_trans_free_items in the commit path 2019-06-28 19:27:31 -07:00
xfs_trans.c xfs: add a flag to release log items on commit 2019-06-28 19:27:32 -07:00
xfs_trans.h xfs: merge xfs_trans_bmap.c into xfs_bmap_item.c 2019-06-28 19:29:42 -07:00
xfs_xattr.c xfs: move xfs_ino_geometry to xfs_shared.h 2019-06-28 19:25:35 -07:00
xfs.h xfs: remove b_last_holder & associated macros 2018-08-12 08:37:31 -07:00