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android_kernel_motorola_sm6375/fs/xfs
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Filename Latest commit message Latest commit date
Dave Chinner ac8809f9ab xfs: abort metadata writeback on permanent errors 
If we are doing aysnc writeback of metadata, we can get write errors
but have nobody to report them to. At the moment, we simply attempt
to reissue the write from io completion in the hope that it's a
transient error.

When it's not a transient error, the buffer is stuck forever in
this loop, and we cannot break out of it. Eventually, unmount will
hang because the AIL cannot be emptied and everything goes downhill
from them.

To solve this problem, only retry the write IO once before aborting
it. We don't throw the buffer away because some transient errors can
last minutes (e.g.  FC path failover) or even hours (thin
provisioned devices that have run out of backing space) before they
go away. Hence we really want to keep trying until we can't try any
more.

Because the buffer was not cleaned, however, it does not get removed
from the AIL and hence the next pass across the AIL will start IO on
it again. As such, we still get the "retry forever" semantics that
we currently have, but we allow other access to the buffer in the
mean time. Meanwhile the filesystem can continue to modify the
buffer and relog it, so the IO errors won't hang the log or the
filesystem.

Now when we are pushing the AIL, we can see all these "permanent IO
error" buffers and we can issue a warning about failures before we
retry the IO. We can also catch these buffers when unmounting an
issue a corruption warning, too.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Ben Myers <bpm@sgi.com>
2013-12-17 09:40:23 -06:00
..
Kconfig xfs: introduce CONFIG_XFS_WARN 2013-05-07 18:45:36 -05:00
kmem.c xfs: simplify kmem_{zone_}zalloc 2013-11-06 16:31:27 -06:00
kmem.h xfs: simplify kmem_{zone_}zalloc 2013-11-06 16:31:27 -06:00
Makefile xfs: abstract the differences in dir2/dir3 via an ops vector 2013-10-30 13:37:38 -05:00
mrlock.h xfs: introduce CONFIG_XFS_WARN 2013-05-07 18:45:36 -05:00
time.h
uuid.c
uuid.h
xfs.h xfs: introduce CONFIG_XFS_WARN 2013-05-07 18:45:36 -05:00
xfs_acl.c xfs: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
xfs_acl.h xfs: increase number of ACL entries for V5 superblocks 2013-06-06 10:52:15 -05:00
xfs_ag.h xfs: create a shared header file for format-related information 2013-10-23 14:11:30 -05:00
xfs_alloc.c xfs: add tracepoints to AGF/AGI read operations 2013-11-06 12:42:52 -06:00
xfs_alloc.h xfs: create a shared header file for format-related information 2013-10-23 14:11:30 -05:00
xfs_alloc_btree.c xfs: fix static and extern sparse warnings 2013-10-30 13:59:56 -05:00
xfs_alloc_btree.h xfs: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
xfs_aops.c xfs: prevent stack overflows from page cache allocation 2013-10-30 15:44:51 -05:00
xfs_aops.h direct-io: Implement generic deferred AIO completions 2013-09-04 09:23:46 -04:00
xfs_attr.c xfs: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
xfs_attr.h xfs: kill xfs_vnodeops.[ch] 2013-08-12 16:53:39 -05:00
xfs_attr_inactive.c xfs: vectorise encoding/decoding directory headers 2013-10-30 13:47:22 -05:00
xfs_attr_leaf.c xfs: fix static and extern sparse warnings 2013-10-30 13:59:56 -05:00
xfs_attr_leaf.h xfs: unify directory/attribute format definitions 2013-10-23 14:21:40 -05:00
xfs_attr_list.c xfs: vectorise encoding/decoding directory headers 2013-10-30 13:47:22 -05:00
xfs_attr_remote.c xfs: fix static and extern sparse warnings 2013-10-30 13:59:56 -05:00
xfs_attr_remote.h xfs: unify directory/attribute format definitions 2013-10-23 14:21:40 -05:00
xfs_attr_sf.h
xfs_bit.c xfs: fix static and extern sparse warnings 2013-10-30 13:59:56 -05:00
xfs_bit.h
xfs_bmap.c xfs: swalloc doesn't align allocations properly 2013-12-17 09:30:12 -06:00
xfs_bmap.h xfs: remove __KERNEL__ from debug code 2013-08-12 16:58:37 -05:00
xfs_bmap_btree.c xfs: fix static and extern sparse warnings 2013-10-30 13:59:56 -05:00
xfs_bmap_btree.h xfs: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
xfs_bmap_util.c xfs: remove xfsbdstrat error 2013-12-17 09:28:43 -06:00
xfs_bmap_util.h xfs: fold xfs_change_file_space into xfs_ioc_space 2013-10-21 16:57:03 -05:00
xfs_btree.c xfs: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
xfs_btree.h xfs: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
xfs_buf.c xfs: abort metadata writeback on permanent errors 2013-12-17 09:40:23 -06:00
xfs_buf.h xfs: abort metadata writeback on permanent errors 2013-12-17 09:40:23 -06:00
xfs_buf_item.c xfs: abort metadata writeback on permanent errors 2013-12-17 09:40:23 -06:00
xfs_buf_item.h xfs: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
xfs_cksum.h
xfs_da_btree.c xfs: convert directory vector functions to constants 2013-10-30 13:49:18 -05:00
xfs_da_btree.h xfs: abstract the differences in dir2/dir3 via an ops vector 2013-10-30 13:37:38 -05:00
xfs_da_format.c xfs: fix static and extern sparse warnings 2013-10-30 13:59:56 -05:00
xfs_da_format.h xfs: convert directory vector functions to constants 2013-10-30 13:48:41 -05:00
xfs_dinode.h xfs: di_flushiter considered harmful 2013-07-25 10:41:42 -05:00
xfs_dir2.c xfs: convert directory vector functions to constants 2013-10-30 13:49:18 -05:00
xfs_dir2.h xfs: convert directory vector functions to constants 2013-10-30 13:49:18 -05:00
xfs_dir2_block.c xfs: convert directory vector functions to constants 2013-10-30 13:49:18 -05:00
xfs_dir2_data.c xfs: validity check the directory block leaf entry count 2013-10-30 13:57:14 -05:00
xfs_dir2_leaf.c xfs: convert directory vector functions to constants 2013-10-30 13:49:18 -05:00
xfs_dir2_node.c xfs: fix memory leak in xfs_dir2_node_removename 2013-12-17 09:15:12 -06:00
xfs_dir2_priv.h xfs: vectorise encoding/decoding directory headers 2013-10-30 13:47:22 -05:00
xfs_dir2_readdir.c xfs: convert directory vector functions to constants 2013-10-30 13:49:18 -05:00
xfs_dir2_sf.c xfs: convert directory vector functions to constants 2013-10-30 13:49:18 -05:00
xfs_discard.c xfs: don't perform discard if the given range length is less than block size 2013-12-10 10:00:33 -06:00
xfs_discard.h
xfs_dquot.c xfs: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
xfs_dquot.h xfs: create a shared header file for format-related information 2013-10-23 14:11:30 -05:00
xfs_dquot_buf.c xfs: fix static and extern sparse warnings 2013-10-30 13:59:56 -05:00
xfs_dquot_item.c xfs: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
xfs_dquot_item.h
xfs_error.c xfs: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
xfs_error.h
xfs_export.c xfs: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
xfs_export.h
xfs_extent_busy.c xfs: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
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: decouple log and transaction headers 2013-10-23 16:17:44 -05:00
xfs_extfree_item.h xfs: split out EFI/EFD log item format definition 2013-08-12 16:07:13 -05:00
xfs_file.c xfs: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
xfs_filestream.c xfs: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
xfs_filestream.h xfs: xfs_filestreams.h doesn't need __KERNEL__ 2013-08-12 17:00:11 -05:00
xfs_format.h xfs: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
xfs_fs.h xfs: add the inode directory type support to XFS_IOC_FSGEOM 2013-10-08 14:28:09 -05:00
xfs_fsops.c xfs: growfs overruns AGFL buffer on V4 filesystems 2013-12-10 10:04:27 -06:00
xfs_fsops.h
xfs_globals.c
xfs_ialloc.c xfs: add tracepoints to AGF/AGI read operations 2013-11-06 12:42:52 -06:00
xfs_ialloc.h xfs: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
xfs_ialloc_btree.c xfs: fix static and extern sparse warnings 2013-10-30 13:59:56 -05:00
xfs_ialloc_btree.h xfs: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
xfs_icache.c xfs: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
xfs_icache.h xfs: update #2 for v3.12-rc1 2013-09-12 16:13:41 -07:00
xfs_icreate_item.c xfs: decouple log and transaction headers 2013-10-23 16:17:44 -05:00
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.c xfs: xfs_remove deadlocks due to inverted AGF vs AGI lock ordering 2013-11-04 13:18:48 -06:00
xfs_inode.h xfs: abstract the differences in dir2/dir3 via an ops vector 2013-10-30 13:37:38 -05:00
xfs_inode_buf.c xfs: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
xfs_inode_buf.h xfs: create a shared header file for format-related information 2013-10-23 14:11:30 -05:00
xfs_inode_fork.c xfs: fix the extent count when allocating an new indirection array entry 2013-10-31 16:43:19 -05:00
xfs_inode_fork.h xfs: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
xfs_inode_item.c xfs: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
xfs_inode_item.h xfs: split out inode log item format definition 2013-08-12 16:05:19 -05:00
xfs_inum.h
xfs_ioctl.c xfs: underflow bug in xfs_attrlist_by_handle() 2013-12-10 09:59:37 -06:00
xfs_ioctl.h xfs: consolidate extent swap code 2013-08-12 16:56:06 -05:00
xfs_ioctl32.c xfs: underflow bug in xfs_attrlist_by_handle() 2013-12-10 09:59:37 -06:00
xfs_ioctl32.h
xfs_iomap.c xfs: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
xfs_iomap.h xfs: get rid of count from xfs_iomap_write_allocate() 2013-10-01 15:42:34 -05:00
xfs_iops.c xfs: fix assertion failure at xfs_setattr_nonsize 2013-12-17 09:16:08 -06:00
xfs_iops.h xfs: fold xfs_change_file_space into xfs_ioc_space 2013-10-21 16:57:03 -05:00
xfs_itable.c xfs: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
xfs_itable.h
xfs_linux.h xfs: remove two unused macro definitions in xfs_linux.h 2013-08-20 15:30:23 -05:00
xfs_log.c xfs: trace AIL manipulations 2013-11-06 12:41:51 -06:00
xfs_log.h xfs: decouple log and transaction headers 2013-10-23 16:17:44 -05:00
xfs_log_cil.c xfs: decouple log and transaction headers 2013-10-23 16:17:44 -05:00
xfs_log_format.h xfs: create a shared header file for format-related information 2013-10-23 14:11:30 -05:00
xfs_log_priv.h xfs: decouple log and transaction headers 2013-10-23 16:17:44 -05:00
xfs_log_recover.c xfs: remove xfsbdstrat error 2013-12-17 09:28:43 -06:00
xfs_log_recover.h
xfs_log_rlimit.c xfs: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
xfs_message.c xfs: decouple log and transaction headers 2013-10-23 16:17:44 -05:00
xfs_message.h xfs: introduce CONFIG_XFS_WARN 2013-05-07 18:45:36 -05:00
xfs_mount.c xfs: increase inode cluster size for v5 filesystems 2013-11-18 09:29:36 -06:00
xfs_mount.h xfs: increase inode cluster size for v5 filesystems 2013-11-18 09:29:36 -06:00
xfs_mru_cache.c
xfs_mru_cache.h
xfs_qm.c xfs: fix infinite loop by detaching the group/project hints from user dquot 2013-12-17 09:16:40 -06:00
xfs_qm.h xfs: split dquot buffer operations out 2013-10-23 14:28:35 -05:00
xfs_qm_bhv.c xfs: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
xfs_qm_syscalls.c xfs: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
xfs_quota.h xfs: split dquot buffer operations out 2013-10-23 14:28:35 -05:00
xfs_quota_defs.h xfs: split dquot buffer operations out 2013-10-23 14:28:35 -05:00
xfs_quota_priv.h
xfs_quotaops.c xfs: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
xfs_rtalloc.c xfs: split xfs_rtalloc.c for userspace sanity 2013-10-23 17:16:32 -05:00
xfs_rtalloc.h xfs: split xfs_rtalloc.c for userspace sanity 2013-10-23 17:16:32 -05:00
xfs_rtbitmap.c xfs: fix static and extern sparse warnings 2013-10-30 13:59:56 -05:00
xfs_sb.c xfs: be more forgiving of a v4 secondary sb w/ junk in v5 fields 2013-10-30 16:38:29 -05:00
xfs_sb.h xfs: create a shared header file for format-related information 2013-10-23 14:11:30 -05:00
xfs_shared.h xfs: create a shared header file for format-related information 2013-10-23 14:11:30 -05:00
xfs_stats.c
xfs_stats.h
xfs_super.c xfs: update for v3.13-rc1 2013-11-14 17:16:35 +09:00
xfs_super.h
xfs_symlink.c xfs: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
xfs_symlink.h xfs: push down inactive transaction mgmt for remote symlinks 2013-10-08 14:53:02 -05:00
xfs_symlink_remote.c xfs: decouple log and transaction headers 2013-10-23 16:17:44 -05:00
xfs_sysctl.c xfs: Convert use of typedef ctl_table to struct ctl_table 2013-06-17 17:42:25 -05:00
xfs_sysctl.h
xfs_trace.c xfs: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
xfs_trace.h xfs: add tracepoints to AGF/AGI read operations 2013-11-06 12:42:52 -06:00
xfs_trans.c xfs: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
xfs_trans.h xfs: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
xfs_trans_ail.c xfs: trace AIL manipulations 2013-11-06 12:41:51 -06:00
xfs_trans_buf.c xfs: remove xfsbdstrat error 2013-12-17 09:28:43 -06:00
xfs_trans_dquot.c xfs: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00
xfs_trans_extfree.c xfs: decouple log and transaction headers 2013-10-23 16:17:44 -05:00
xfs_trans_inode.c xfs: open code inc_inode_iversion when logging an inode 2013-11-18 09:42:08 -06:00
xfs_trans_priv.h xfs: decouple log and transaction headers 2013-10-23 16:17:44 -05:00
xfs_trans_resv.c xfs: increase inode cluster size for v5 filesystems 2013-11-18 09:29:36 -06:00
xfs_trans_resv.h xfs: Get rid of all XFS_XXX_LOG_RES() macro 2013-08-12 17:48:08 -05:00
xfs_trans_space.h
xfs_types.h xfs: Add read-only support for dirent filetype field 2013-08-22 08:40:24 -05:00
xfs_vnode.h xfs: clean up xfs_inactive() error handling, kill VN_INACTIVE_[NO]CACHE 2013-10-08 17:20:41 -05:00
xfs_xattr.c xfs: decouple inode and bmap btree header files 2013-10-23 16:28:49 -05:00