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879de98ead
linux/fs/xfs
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Dave Chinner 879de98ead xfs: one-shot cached buffers 
For the new growfs work, we want to ensure that we serialise
secondary superblock updates with other operations (e.g. scrub)
correctly, but we don't want to cache the buffers for long term
reuse. We need cached buffers for serialisation, however.

To solve this, introduce a "oneshot" buffer which will be marshalled
through the cache but then released once the last current reference
goes away. If the buffer is already cached, then we ignore the
"one-shot" behaviour and leave the buffer in the state it was prior
to the one-shot command being run. This means we don't perturb
either the working set or existing cached buffer state by a one-shot
operation.

Signed-Off-By: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
2018-05-15 18:12:51 -07:00
..
libxfs xfs: implement the metadata repair ioctl flag 2018-05-15 18:12:50 -07:00
scrub xfs: implement the metadata repair ioctl flag 2018-05-15 18:12:50 -07:00
Kconfig xfs: implement the metadata repair ioctl flag 2018-05-15 18:12:50 -07:00
kmem.c xfs: fall back to vmalloc when allocation log vector buffers 2018-03-11 20:27:55 -07:00
kmem.h xfs: fall back to vmalloc when allocation log vector buffers 2018-03-11 20:27:55 -07:00
Makefile xfs: implement the metadata repair ioctl flag 2018-05-15 18:12:50 -07:00
mrlock.h
xfs_acl.c xfs: don't change inode mode if ACL update fails 2017-10-11 10:21:06 -07:00
xfs_acl.h xfs: Don't clear SGID when inheriting ACLs 2017-06-27 18:23:21 -07:00
xfs_aops.c iomap: add a swapfile activation function 2018-05-15 17:57:05 -07:00
xfs_aops.h xfs, dax: introduce xfs_dax_aops 2018-03-30 11:34:55 -07:00
xfs_attr_inactive.c xfs: fail if xattr inactivation hits a hole 2017-10-26 15:38:22 -07:00
xfs_attr_list.c xfs: remove u_int* type usage 2017-11-09 15:50:29 -08:00
xfs_attr.h xfs: scrub extended attributes 2017-10-26 15:38:26 -07:00
xfs_bmap_item.c xfs: log item flags are racy 2018-05-10 08:56:41 -07:00
xfs_bmap_item.h xfs: log recovery should replay deferred ops in order 2017-11-27 09:34:08 -08:00
xfs_bmap_util.c xfs: factor out nodiscard helpers 2018-05-15 17:57:05 -07:00
xfs_bmap_util.h xfs: simplify the xfs_getbmap interface 2017-10-26 15:38:20 -07:00
xfs_buf_item.c xfs: get rid of the log item descriptor 2018-05-10 08:56:46 -07:00
xfs_buf_item.h Use list_head infra-structure for buffer's log items list 2018-01-29 07:27:22 -08:00
xfs_buf.c xfs: don't retry xfs_buf_find on XBF_TRYLOCK failure 2018-05-09 10:04:00 -07:00
xfs_buf.h xfs: one-shot cached buffers 2018-05-15 18:12:51 -07:00
xfs_dir2_readdir.c xfs: directory scrubber must walk through data block to offset 2018-01-17 21:00:46 -08:00
xfs_discard.c Force log to disk before reading the AGF during a fstrim 2018-04-10 22:39:04 -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: don't spray logs when dquot flush/purge fail 2018-05-10 08:56:47 -07:00
xfs_dquot_item.h
xfs_dquot.c xfs: refactor dquot iteration 2018-05-15 17:56:59 -07:00
xfs_dquot.h xfs: refactor dquot iteration 2018-05-15 17:56:59 -07:00
xfs_error.c xfs: implement the metadata repair ioctl flag 2018-05-15 18:12:50 -07:00
xfs_error.h xfs: refactor inode buffer verifier error logging 2018-03-23 18:05:07 -07:00
xfs_export.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2018-04-05 11:56:35 -07:00
xfs_export.h
xfs_extent_busy.c xfs: merge _xfs_log_force and xfs_log_force 2018-03-14 11:12:52 -07:00
xfs_extent_busy.h xfs: improve handling of busy extents in the low-level allocator 2017-02-09 10:50:25 -08:00
xfs_extfree_item.c xfs: add bmapi nodiscard flag 2018-05-10 08:56:46 -07:00
xfs_extfree_item.h
xfs_file.c iomap: iomap_dio_rw() handles all sync writes 2018-05-09 10:04:01 -07:00
xfs_filestream.c xfs: non-scrub - remove unused function parameters 2018-04-09 10:23:42 -07:00
xfs_filestream.h
xfs_fsmap.c xfs: move two more RT specific functions into CONFIG_XFS_RT 2017-10-16 12:26:50 -07:00
xfs_fsmap.h xfs: implement the GETFSMAP ioctl 2017-04-03 15:18:17 -07:00
xfs_fsops.c xfs: convert XFS_AGFL_SIZE to a helper function 2018-03-11 20:27:56 -07:00
xfs_fsops.h xfs: hoist xfs_fs_geometry to libxfs 2018-01-08 10:54:48 -08:00
xfs_globals.c xfs: add mount delay debug option 2018-05-15 17:57:05 -07:00
xfs_icache.c xfs: halt auto-reclamation activities while rebuilding rmap 2018-05-15 17:57:05 -07:00
xfs_icache.h xfs: halt auto-reclamation activities while rebuilding rmap 2018-05-15 17:57:05 -07:00
xfs_icreate_item.c xfs: get rid of the log item descriptor 2018-05-10 08:56:46 -07:00
xfs_icreate_item.h
xfs_inode_item.c xfs: log item flags are racy 2018-05-10 08:56:41 -07:00
xfs_inode_item.h xfs: remove inode log format typedef 2017-11-01 15:03:16 -07:00
xfs_inode.c xfs: factor out nodiscard helpers 2018-05-15 17:57:05 -07:00
xfs_inode.h xfs: factor out nodiscard helpers 2018-05-15 17:57:05 -07:00
xfs_ioctl32.c xfs: refactor the geometry structure filling function 2018-01-08 10:54:48 -08:00
xfs_ioctl32.h xfs: remove double-underscore integer types 2017-06-19 14:11:33 -07:00
xfs_ioctl.c xfs: refactor the geometry structure filling function 2018-01-08 10:54:48 -08:00
xfs_ioctl.h xfs: remove u_int* type usage 2017-11-09 15:50:29 -08:00
xfs_iomap.c xfs: split out dqget for inodes from regular dqget 2018-05-10 08:56:48 -07:00
xfs_iomap.h xfs: update i_size after unwritten conversion in dio completion 2017-09-26 10:55:19 -07:00
xfs_iops.c xfs: remove unnecessary xfs_qm_dqattach parameter 2018-05-10 08:56:47 -07:00
xfs_iops.h
xfs_itable.c xfs: remove if_rdev 2017-10-26 15:38:27 -07:00
xfs_itable.h xfs: create inode pointer verifiers 2017-10-26 15:38:23 -07:00
xfs_linux.h xfs: use %px for data pointers when debugging 2018-01-12 14:09:08 -08:00
xfs_log_cil.c xfs: get rid of the log item descriptor 2018-05-10 08:56:46 -07:00
xfs_log_priv.h locking/atomics: COCCINELLE/treewide: Convert trivial ACCESS_ONCE() patterns to READ_ONCE()/WRITE_ONCE() 2017-10-25 11:01:08 +02:00
xfs_log_recover.c xfs: remove unused flags arg from xfs_dquot_verify 2018-05-09 10:04:01 -07:00
xfs_log.c xfs: get rid of the log item descriptor 2018-05-10 08:56:46 -07:00
xfs_log.h xfs: non-scrub - remove unused function parameters 2018-04-09 10:23:42 -07:00
xfs_message.c xfs: define bug_on_assert debug mode sysfs tunable 2017-06-19 08:59:10 -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: halt auto-reclamation activities while rebuilding rmap 2018-05-15 17:57:05 -07:00
xfs_mount.h xfs: detect agfl count corruption and reset agfl 2018-03-23 18:05:06 -07:00
xfs_mru_cache.c xfs: remove filestream item xfs_inode reference 2018-04-09 10:23:39 -07:00
xfs_mru_cache.h xfs: remove filestream item xfs_inode reference 2018-04-09 10:23:39 -07:00
xfs_ondisk.h xfs: Don't log uninitialised fields in inode structures 2017-10-11 10:21:06 -07:00
xfs_pnfs.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
xfs_pnfs.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
xfs_qm_bhv.c xfs: replace XFS_QMOPT_DQALLOC with a simple boolean 2018-05-10 08:56:48 -07:00
xfs_qm_syscalls.c xfs: replace XFS_QMOPT_DQALLOC with a simple boolean 2018-05-10 08:56:48 -07:00
xfs_qm.c xfs: refactor quota limits initialization 2018-05-15 17:57:05 -07:00
xfs_qm.h xfs: refactor XFS_QMOPT_DQNEXT out of existence 2018-05-10 08:56:47 -07:00
xfs_quota.h xfs: split out dqget for inodes from regular dqget 2018-05-10 08:56:48 -07:00
xfs_quotaops.c xfs: refactor XFS_QMOPT_DQNEXT out of existence 2018-05-10 08:56:47 -07:00
xfs_refcount_item.c xfs: log item flags are racy 2018-05-10 08:56:41 -07:00
xfs_refcount_item.h xfs: log recovery should replay deferred ops in order 2017-11-27 09:34:08 -08:00
xfs_reflink.c xfs: split out dqget for inodes from regular dqget 2018-05-10 08:56:48 -07:00
xfs_reflink.h xfs: separate function to check if inode shares extents 2017-06-19 14:11:35 -07:00
xfs_rmap_item.c xfs: log item flags are racy 2018-05-10 08:56:41 -07:00
xfs_rmap_item.h
xfs_rtalloc.c xfs: remove the ip argument to xfs_defer_finish 2017-09-01 10:55:30 -07:00
xfs_rtalloc.h xfs: cross-reference the realtime bitmap 2018-01-17 21:00:46 -08:00
xfs_stats.c xfs: remove double-underscore integer types 2017-06-19 14:11:33 -07:00
xfs_stats.h xfs: remove double-underscore integer types 2017-06-19 14:11:33 -07:00
xfs_super.c xfs: clear sb->s_fs_info on mount failure 2018-05-15 17:57:05 -07:00
xfs_super.h xfs: add scrub to XFS_BUILD_OPTIONS 2018-02-01 21:06:15 -08:00
xfs_symlink.c xfs: fix double ijoin in xfs_inactive_symlink_rmt() 2018-05-10 08:56:46 -07:00
xfs_symlink.h xfs: allow reading of already-locked remote symbolic link 2017-06-20 10:45:22 -07:00
xfs_sysctl.c
xfs_sysctl.h xfs: add mount delay debug option 2018-05-15 17:57:05 -07:00
xfs_sysfs.c xfs: add mount delay debug option 2018-05-15 17:57:05 -07:00
xfs_sysfs.h
xfs_trace.c fs: xfs: remove duplicate includes 2017-12-08 17:51:05 -08:00
xfs_trace.h xfs: get rid of the log item descriptor 2018-05-10 08:56:46 -07:00
xfs_trans_ail.c xfs: don't assert fail with AIL lock held 2018-05-10 08:56:46 -07:00
xfs_trans_bmap.c xfs: get rid of the log item descriptor 2018-05-10 08:56:46 -07:00
xfs_trans_buf.c xfs: get rid of the log item descriptor 2018-05-10 08:56:46 -07:00
xfs_trans_dquot.c xfs: get rid of the log item descriptor 2018-05-10 08:56:46 -07:00
xfs_trans_extfree.c xfs: factor out nodiscard helpers 2018-05-15 17:57:05 -07:00
xfs_trans_inode.c xfs: get rid of the log item descriptor 2018-05-10 08:56:46 -07:00
xfs_trans_priv.h xfs: get rid of the log item descriptor 2018-05-10 08:56:46 -07:00
xfs_trans_refcount.c xfs: get rid of the log item descriptor 2018-05-10 08:56:46 -07:00
xfs_trans_rmap.c xfs: get rid of the log item descriptor 2018-05-10 08:56:46 -07:00
xfs_trans.c xfs: get rid of the log item descriptor 2018-05-10 08:56:46 -07:00
xfs_trans.h xfs: add bmapi nodiscard flag 2018-05-10 08:56:46 -07:00
xfs_xattr.c
xfs.h xfs: always define STATIC to static noinline 2017-11-06 11:53:58 -08:00