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linux-stable/fs/xfs
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Christoph Hellwig 070ecdca54 xfs: skip writeback from reclaim context 
Allowing writeback from reclaim context causes massive problems with stack
overflows as we can call into the writeback code which tends to be a heavy
stack user both in the generic code and XFS from random contexts that
perform memory allocations.

Follow the example of btrfs (and in slightly different form ext4) and refuse
to write out data from reclaim context.  This issue should really be handled
by the VM so that we can tune better for this case, but until we get it
sorted out there we have to hack around this in each filesystem with a
complex writeback path.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
2010-06-03 16:22:29 +10:00
..
linux-2.6 xfs: skip writeback from reclaim context 2010-06-03 16:22:29 +10:00
quota fs/xfs/quota: Add missing mutex_unlock 2010-05-28 15:19:41 -05:00
support xfs: event tracing support 2009-12-14 23:08:16 -06:00
Kconfig xfs: use generic Posix ACL code 2009-06-10 17:07:47 +02:00
Makefile xfs: Introduce delayed logging core code 2010-05-24 10:38:03 -05:00
xfs.h xfs: event tracing support 2009-12-14 23:08:16 -06:00
xfs_acl.h xfs: convert attr to use unsigned names 2010-01-20 10:47:48 +11:00
xfs_ag.h xfs: fix access to upper inodes without inode64 2010-05-28 15:19:56 -05:00
xfs_alloc.c xfs: Improve scalability of busy extent tracking 2010-05-24 10:34:00 -05:00
xfs_alloc.h xfs: Improve scalability of busy extent tracking 2010-05-24 10:34:00 -05:00
xfs_alloc_btree.c xfs: Improve scalability of busy extent tracking 2010-05-24 10:34:00 -05:00
xfs_alloc_btree.h
xfs_arch.h xfs: use generic Posix ACL code 2009-06-10 17:07:47 +02:00
xfs_attr.c xfs: remove duplicate buffer flags 2010-01-21 13:44:36 -06:00
xfs_attr.h xfs: convert attr to use unsigned names 2010-01-20 10:47:48 +11:00
xfs_attr_leaf.c xfs: remove duplicate buffer flags 2010-01-21 13:44:36 -06:00
xfs_attr_leaf.h [XFS] Remove macro-to-function indirections in attr code 2009-01-09 15:46:44 +11:00
xfs_attr_sf.h xfs: convert attr to use unsigned names 2010-01-20 10:47:48 +11:00
xfs_bit.c
xfs_bit.h [XFS] Remove macro-to-function indirections in the mask code 2009-01-09 15:53:54 +11:00
xfs_bmap.c xfs: fix reservation release commit flag in xfs_bmap_add_attrfork() 2010-05-19 09:58:08 -05:00
xfs_bmap.h xfs: event tracing support 2009-12-14 23:08:16 -06:00
xfs_bmap_btree.c xfs: make several more functions static 2010-01-15 15:31:38 -06:00
xfs_bmap_btree.h xfs: make several more functions static 2010-01-15 15:31:38 -06:00
xfs_btree.c xfs: remove duplicate buffer flags 2010-01-21 13:44:36 -06:00
xfs_btree.h xfs: add more statics & drop some unused functions 2009-08-31 14:46:20 -05:00
xfs_btree_trace.c
xfs_btree_trace.h xfs: event tracing support 2009-12-14 23:08:16 -06:00
xfs_buf_item.c xfs: Ensure inode allocation buffers are fully replayed 2010-05-24 10:41:22 -05:00
xfs_buf_item.h xfs: Ensure inode allocation buffers are fully replayed 2010-05-24 10:41:22 -05:00
xfs_da_btree.c xfs: convert dirnameops to unsigned char names 2010-01-20 10:47:17 +11:00
xfs_da_btree.h xfs: convert dirnameops to unsigned char names 2010-01-20 10:47:17 +11:00
xfs_dfrag.c xfs: more swap extent fixes for dynamic fork offsets 2010-04-26 12:38:51 -05:00
xfs_dfrag.h xfs: clean up inconsistent variable naming in xfs_swap_extent 2010-01-15 15:31:23 -06:00
xfs_dinode.h xfs: remove m_litino 2009-03-29 09:51:14 +02:00
xfs_dir2.c xfs: clean up sign warnings in dir2 code 2010-01-20 10:48:05 +11:00
xfs_dir2.h xfs: make xfs_dir_cilookup_result use unsigned char 2010-01-20 10:47:25 +11:00
xfs_dir2_block.c xfs: clean up sign warnings in dir2 code 2010-01-20 10:48:05 +11:00
xfs_dir2_block.h
xfs_dir2_data.c
xfs_dir2_data.h xfs: fix various typos 2009-03-29 09:55:42 +02:00
xfs_dir2_leaf.c xfs: clean up sign warnings in dir2 code 2010-01-20 10:48:05 +11:00
xfs_dir2_leaf.h
xfs_dir2_node.c xfs: make several more functions static 2010-01-15 15:31:38 -06:00
xfs_dir2_node.h xfs: make several more functions static 2010-01-15 15:31:38 -06:00
xfs_dir2_sf.c xfs: clean up sign warnings in dir2 code 2010-01-20 10:48:05 +11:00
xfs_dir2_sf.h
xfs_dmapi.h
xfs_dmops.c
xfs_error.c xfs: clean up log ticket overrun debug output 2010-05-24 10:33:46 -05:00
xfs_error.h xfs: add const qualifiers to xfs error function args 2010-05-19 09:58:11 -05:00
xfs_extfree_item.c xfs: remove stale parameter from ->iop_unpin method 2010-05-19 09:58:08 -05:00
xfs_extfree_item.h [XFS] remove always-true #ifndef HAVE_FORMAT32 tests 2009-01-22 14:07:31 +11:00
xfs_filestream.c xfs: Kill filestreams cache flush 2010-01-15 15:34:22 -06:00
xfs_filestream.h xfs: Kill filestreams cache flush 2010-01-15 15:34:22 -06:00
xfs_fs.h xfs: return inode fork offset in bulkstat for fsr 2010-03-05 11:02:07 -06:00
xfs_fsops.c xfs: Replace per-ag array with a radix tree 2010-01-15 15:33:52 -06:00
xfs_fsops.h filesystem freeze: add error handling of write_super_lockfs/unlockfs 2009-01-09 16:54:42 -08:00
xfs_ialloc.c xfs: remove duplicate buffer flags 2010-01-21 13:44:36 -06:00
xfs_ialloc.h xfs: rationalize xfs_inobt_lookup* 2009-09-01 12:45:39 -05:00
xfs_ialloc_btree.c xfs: fix various typos 2009-03-29 09:55:42 +02:00
xfs_ialloc_btree.h xfs: remove superflous inobt macros 2009-02-09 08:37:14 +01:00
xfs_iget.c xfs: fix access to upper inodes without inode64 2010-05-28 15:19:56 -05:00
xfs_inode.c xfs: fix race in inode cluster freeing failing to stale inodes 2010-06-03 16:22:29 +10:00
xfs_inode.h xfs: remove xfs_ipin/xfs_iunpin 2010-03-01 16:35:56 -06:00
xfs_inode_item.c xfs: remove stale parameter from ->iop_unpin method 2010-05-19 09:58:08 -05:00
xfs_inode_item.h xfs: Don't issue buffer IO direct from AIL push V2 2010-02-02 10:13:42 +11:00
xfs_inum.h xfs: remove XFS_INO64_OFFSET 2009-08-31 14:46:22 -05:00
xfs_iomap.c xfs: mark xfs_iomap_write_ helpers static 2010-05-19 09:58:20 -05:00
xfs_iomap.h xfs: mark xfs_iomap_write_ helpers static 2010-05-19 09:58:20 -05:00
xfs_itable.c xfs: return inode fork offset in bulkstat for fsr 2010-03-05 11:02:07 -06:00
xfs_itable.h xfs: add more statics & drop some unused functions 2009-08-31 14:46:20 -05:00
xfs_log.c xfs: forced unmounts need to push the CIL 2010-05-24 10:38:14 -05:00
xfs_log.h xfs: Ensure inode allocation buffers are fully replayed 2010-05-24 10:41:22 -05:00
xfs_log_cil.c xfs: Ensure inode allocation buffers are fully replayed 2010-05-24 10:41:22 -05:00
xfs_log_priv.h xfs: enable background pushing of the CIL 2010-05-24 10:38:20 -05:00
xfs_log_recover.c xfs: clean up xlog_align 2010-05-28 14:58:36 -05:00
xfs_log_recover.h xfs: Clean up XFS_BLI_* flag namespace 2010-05-24 10:33:39 -05:00
xfs_mount.c xfs: fix access to upper inodes without inode64 2010-05-28 15:19:56 -05:00
xfs_mount.h xfs: Introduce delayed logging core code 2010-05-24 10:38:03 -05:00
xfs_mru_cache.c xfs: Kill filestreams cache flush 2010-01-15 15:34:22 -06:00
xfs_mru_cache.h xfs: Kill filestreams cache flush 2010-01-15 15:34:22 -06:00
xfs_quota.h xfs: removed unused XFS_QMOPT_ flags 2010-05-19 09:58:15 -05:00
xfs_refcache.h
xfs_rename.c xfs: event tracing support 2009-12-14 23:08:16 -06:00
xfs_rtalloc.c xfs: replace E2BIG with EFBIG where appropriate 2010-05-28 14:58:16 -05:00
xfs_rtalloc.h xfs: be more explicit if RT mount fails due to config 2010-05-28 14:58:24 -05:00
xfs_rw.c xfs: only clear the suid bit once in xfs_write 2010-02-12 13:43:57 -06:00
xfs_rw.h xfs: only clear the suid bit once in xfs_write 2010-02-12 13:43:57 -06:00
xfs_sb.h [XFS] Remove the rest of the macro-to-function indirections. 2009-01-19 14:45:55 +11:00
xfs_trans.c xfs: cleanup log reservation calculactions 2010-05-28 14:58:30 -05:00
xfs_trans.h xfs: cleanup log reservation calculactions 2010-05-28 14:58:30 -05:00
xfs_trans_ail.c xfs: Don't issue buffer IO direct from AIL push V2 2010-02-02 10:13:42 +11:00
xfs_trans_buf.c xfs: Ensure inode allocation buffers are fully replayed 2010-05-24 10:41:22 -05:00
xfs_trans_extfree.c
xfs_trans_inode.c xfs: simplify xfs_trans_iget 2009-09-01 12:46:16 -05:00
xfs_trans_item.c xfs: Introduce delayed logging core code 2010-05-24 10:38:03 -05:00
xfs_trans_priv.h xfs: Introduce delayed logging core code 2010-05-24 10:38:03 -05:00
xfs_trans_space.h xfs: remove superflous inobt macros 2009-02-09 08:37:14 +01:00
xfs_types.h xfs: make the log ticket ID available outside the log infrastructure 2010-05-24 10:33:52 -05:00
xfs_utils.c xfs: kill xfs_qmops 2009-06-08 15:33:32 +02:00
xfs_utils.h
xfs_vnodeops.c xfs: Check new inode size is OK before preallocating 2010-05-28 15:19:12 -05:00
xfs_vnodeops.h xfs: kill xfs_lrw.h 2010-03-01 16:35:44 -06:00