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c891c30a4d
linux/fs/xfs
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Brian Foster c891c30a4d xfs: exclude never-released buffers from buftarg I/O accounting 
The upcoming buftarg I/O accounting mechanism maintains a count of
all buffers that have undergone I/O in the current hold-release
cycle.  Certain buffers associated with core infrastructure (e.g.,
the xfs_mount superblock buffer, log buffers) are never released,
however. This means that accounting I/O submission on such buffers
elevates the buftarg count indefinitely and could lead to lockup on
unmount.

Define a new buffer flag to explicitly exclude buffers from buftarg
I/O accounting. Set the flag on the superblock and associated log
buffers.

Signed-off-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
2016-07-20 11:13:43 +10:00
..
libxfs xfs: update for 4.7-rc1 2016-05-26 10:13:40 -07:00
Kconfig
kmem.c xfs: improve kmem_realloc 2016-04-06 09:47:01 +10:00
kmem.h xfs: improve kmem_realloc 2016-04-06 09:47:01 +10:00
Makefile nfsd: add SCSI layout support 2016-03-18 11:42:53 -04:00
mrlock.h
uuid.c
uuid.h
xfs_acl.c posix_acl: Inode acl caching fixes 2016-03-31 00:30:15 -04:00
xfs_acl.h xfs: Change how listxattr generates synthetic attributes 2015-12-06 21:34:16 -05:00
xfs_aops.c xfs: update for 4.7-rc1 2016-05-26 10:13:40 -07:00
xfs_aops.h xfs: optimize bio handling in the buffer writeback path 2016-04-06 08:34:30 +10:00
xfs_attr_inactive.c xfs: better xfs_trans_alloc interface 2016-04-06 09:19:55 +10:00
xfs_attr_list.c xfs: collapse cases in xfs_attr3_leaf_list_int 2016-04-06 07:57:47 +10:00
xfs_attr.h xfs: remove put_value from attr ->put_listent context 2016-04-06 07:57:45 +10:00
xfs_bmap_util.c DAX error handling for 4.7 2016-05-26 19:34:26 -07:00
xfs_bmap_util.h
xfs_buf_item.c xfs: don't reset b_retries to 0 on every failure 2016-07-20 10:54:09 +10:00
xfs_buf_item.h xfs: fix non-debug build warnings 2015-08-25 10:05:13 +10:00
xfs_buf.c xfs: exclude never-released buffers from buftarg I/O accounting 2016-07-20 11:13:43 +10:00
xfs_buf.h xfs: exclude never-released buffers from buftarg I/O accounting 2016-07-20 11:13:43 +10:00
xfs_dir2_readdir.c xfs: concurrent readdir hangs on data buffer locks 2016-05-18 13:20:21 -04:00
xfs_discard.c xfs: fix format specifier , should be %llx and not %llu 2016-03-02 09:57:04 +11:00
xfs_discard.h
xfs_dquot_item.c
xfs_dquot_item.h
xfs_dquot.c Merge branch 'xfs-4.7-misc-fixes' into for-next 2016-05-20 10:33:17 +10:00
xfs_dquot.h
xfs_error.c xfs: print name of verifier if it fails 2016-01-04 16:10:19 +11:00
xfs_error.h
xfs_export.c Various bugfixes, a RDMA update from Chuck Lever, and support for a new 2016-03-24 19:50:32 -07:00
xfs_export.h
xfs_extent_busy.c
xfs_extent_busy.h
xfs_extfree_item.c xfs: add helper to conditionally remove items from the AIL 2015-08-19 10:01:08 +10:00
xfs_extfree_item.h xfs: fix efi/efd error handling to avoid fs shutdown hangs 2015-08-19 09:51:16 +10:00
xfs_file.c DAX error handling for 4.7 2016-05-26 19:34:26 -07:00
xfs_filestream.c xfs: mode di_mode to vfs inode 2016-02-09 16:54:58 +11:00
xfs_filestream.h
xfs_fsops.c Merge branch 'xfs-4.7-trans-type-cleanup' into for-next 2016-05-20 10:31:52 +10:00
xfs_fsops.h xfs: remove unused function definitions 2016-02-08 14:58:07 +11:00
xfs_globals.c
xfs_icache.c xfs: move reclaim tagging functions 2016-05-18 14:20:08 +10:00
xfs_icache.h
xfs_icreate_item.c
xfs_icreate_item.h
xfs_inode_item.c Merge branch 'xfs-4.7-misc-fixes' into for-next 2016-05-20 10:33:17 +10:00
xfs_inode_item.h xfs: remove timestamps from incore inode 2016-02-09 16:54:58 +11:00
xfs_inode.c Merge branch 'xfs-4.7-inode-reclaim' into for-next 2016-05-20 10:34:00 +10:00
xfs_inode.h xfs: set up inode operation vectors later 2016-04-06 07:48:27 +10:00
xfs_ioctl32.c xfs: prefix XATTR_LIST_MAX with XFS_ 2015-10-12 16:02:56 +11:00
xfs_ioctl32.h
xfs_ioctl.c Merge branch 'xfs-4.7-optimise-inline-symlinks' into for-next 2016-05-20 10:32:10 +10:00
xfs_ioctl.h
xfs_iomap.c xfs: better xfs_trans_alloc interface 2016-04-06 09:19:55 +10:00
xfs_iomap.h
xfs_iops.c Merge branch 'xfs-4.7-optimise-inline-symlinks' into for-next 2016-05-20 10:32:10 +10:00
xfs_iops.h
xfs_itable.c xfs: mode di_mode to vfs inode 2016-02-09 16:54:58 +11:00
xfs_itable.h
xfs_linux.h mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros 2016-04-04 10:41:08 -07:00
xfs_log_cil.c xfs: remove transaction types 2016-04-06 09:20:36 +10:00
xfs_log_priv.h xfs: remove transaction types 2016-04-06 09:20:36 +10:00
xfs_log_recover.c Merge branch 'xfs-4.7-misc-fixes' into for-next 2016-05-20 10:33:17 +10:00
xfs_log.c xfs: exclude never-released buffers from buftarg I/O accounting 2016-07-20 11:13:43 +10:00
xfs_log.h xfs: remove transaction types 2016-04-06 09:20:36 +10:00
xfs_message.c xfs: more info from kmem deadlocks and high-level error msgs 2015-10-12 16:04:45 +11:00
xfs_message.h
xfs_mount.c xfs: exclude never-released buffers from buftarg I/O accounting 2016-07-20 11:13:43 +10:00
xfs_mount.h xfs: update for 4.7-rc1 2016-05-26 10:13:40 -07:00
xfs_mru_cache.c
xfs_mru_cache.h
xfs_ondisk.h xfs: check sizes of XFS on-disk structures at compile time 2016-03-09 08:15:14 +11:00
xfs_pnfs.c xfs: update for 4.7-rc1 2016-05-26 10:13:40 -07:00
xfs_pnfs.h nfsd: add SCSI layout support 2016-03-18 11:42:53 -04:00
xfs_qm_bhv.c
xfs_qm_syscalls.c xfs: better xfs_trans_alloc interface 2016-04-06 09:19:55 +10:00
xfs_qm.c xfs: better xfs_trans_alloc interface 2016-04-06 09:19:55 +10:00
xfs_qm.h xfs: Split default quota limits by quota type 2016-02-08 11:27:55 +11:00
xfs_quota.h
xfs_quotaops.c xfs: wire up Q_XGETNEXTQUOTA / get_nextdqblk 2016-02-08 11:27:38 +11:00
xfs_rtalloc.c xfs: better xfs_trans_alloc interface 2016-04-06 09:19:55 +10:00
xfs_rtalloc.h
xfs_stats.c xfs: stats are no longer dependent on CONFIG_PROC_FS 2015-10-19 08:42:46 +11:00
xfs_stats.h xfs: per-filesystem stats counter implementation 2015-10-12 18:21:22 +11:00
xfs_super.c DAX error handling for 4.7 2016-05-26 19:34:26 -07:00
xfs_super.h xfs: fix up inode32/64 (re)mount handling 2016-03-02 09:58:09 +11:00
xfs_symlink.c Merge branch 'xfs-4.7-optimise-inline-symlinks' into for-next 2016-05-20 10:32:10 +10:00
xfs_symlink.h
xfs_sysctl.c xfs: pass xfsstats structures to handlers and macros 2015-10-12 05:19:45 +11:00
xfs_sysctl.h
xfs_sysfs.c xfs: fix xfs_error_get_cfg for negative errnos 2016-07-20 10:48:51 +10:00
xfs_sysfs.h xfs: configurable error behavior via sysfs 2016-05-18 10:58:51 +10:00
xfs_trace.c
xfs_trace.h Merge branch 'xfs-4.7-error-cfg' into for-next 2016-05-20 10:33:38 +10:00
xfs_trans_ail.c xfs: Make xfsaild freezeable again 2016-02-08 14:59:07 +11:00
xfs_trans_buf.c xfs: remove XBF_STALE flag wrapper macros 2016-02-10 15:01:11 +11:00
xfs_trans_dquot.c xfs: Split default quota limits by quota type 2016-02-08 11:27:55 +11:00
xfs_trans_extfree.c xfs: ensure EFD trans aborts on log recovery extent free failure 2015-08-19 09:51:43 +10:00
xfs_trans_inode.c xfs: move di_changecount to VFS inode 2016-02-09 16:54:58 +11:00
xfs_trans_priv.h xfs: add helper to conditionally remove items from the AIL 2015-08-19 10:01:08 +10:00
xfs_trans.c xfs: remove transaction types 2016-04-06 09:20:36 +10:00
xfs_trans.h xfs: better xfs_trans_alloc interface 2016-04-06 09:19:55 +10:00
xfs_xattr.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2016-05-27 17:14:05 -07:00
xfs.h