forked from luck/tmp_suning_uos_patched
9776de96e5
This is meant to avoid a recusive hang caused by underlying filesystem trying
to grab a free page and causing a write-out.
INFO: task kworker/u30:7:28375 blocked for more than 120 seconds.
Not tainted 3.15.0-virtual #74
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
kworker/u30:7 D 0000000000000000 0 28375 2 0x00000000
Workqueue: fscache_operation fscache_op_work_func [fscache]
ffff88000b147148 0000000000000046 0000000000000000 ffff88000b1471c8
ffff8807aa031820 0000000000014040 ffff88000b147fd8 0000000000014040
ffff880f0c50c860 ffff8807aa031820 ffff88000b147158 ffff88007be59cd0
Call Trace:
[<ffffffff815930e9>] schedule+0x29/0x70
[<ffffffffa018bed5>] __fscache_wait_on_page_write+0x55/0x90 [fscache]
[<ffffffff810a4350>] ? __wake_up_sync+0x20/0x20
[<ffffffffa018c135>] __fscache_maybe_release_page+0x65/0x1e0 [fscache]
[<ffffffffa02ad813>] ceph_releasepage+0x83/0x100 [ceph]
[<ffffffff811635b0>] ? anon_vma_fork+0x130/0x130
[<ffffffff8112cdd2>] try_to_release_page+0x32/0x50
[<ffffffff81140096>] shrink_page_list+0x7e6/0x9d0
[<ffffffff8113f278>] ? isolate_lru_pages.isra.73+0x78/0x1e0
[<ffffffff81140932>] shrink_inactive_list+0x252/0x4c0
[<ffffffff811412b1>] shrink_lruvec+0x3e1/0x670
[<ffffffff8114157f>] shrink_zone+0x3f/0x110
[<ffffffff81141b06>] do_try_to_free_pages+0x1d6/0x450
[<ffffffff8114a939>] ? zone_statistics+0x99/0xc0
[<ffffffff81141e44>] try_to_free_pages+0xc4/0x180
[<ffffffff81136982>] __alloc_pages_nodemask+0x6b2/0xa60
[<ffffffff811c1d4e>] ? __find_get_block+0xbe/0x250
[<ffffffff810a405e>] ? wake_up_bit+0x2e/0x40
[<ffffffff811740c3>] alloc_pages_current+0xb3/0x180
[<ffffffff8112cf07>] __page_cache_alloc+0xb7/0xd0
[<ffffffff8112da6c>] grab_cache_page_write_begin+0x7c/0xe0
[<ffffffff81214072>] ? ext4_mark_inode_dirty+0x82/0x220
[<ffffffff81214a89>] ext4_da_write_begin+0x89/0x2d0
[<ffffffff8112c6ee>] generic_perform_write+0xbe/0x1d0
[<ffffffff811a96b1>] ? update_time+0x81/0xc0
[<ffffffff811ad4c2>] ? mnt_clone_write+0x12/0x30
[<ffffffff8112e80e>] __generic_file_aio_write+0x1ce/0x3f0
[<ffffffff8112ea8e>] generic_file_aio_write+0x5e/0xe0
[<ffffffff8120b94f>] ext4_file_write+0x9f/0x410
[<ffffffff8120af56>] ? ext4_file_open+0x66/0x180
[<ffffffff8118f0da>] do_sync_write+0x5a/0x90
[<ffffffffa025c6c9>] cachefiles_write_page+0x149/0x430 [cachefiles]
[<ffffffff812cf439>] ? radix_tree_gang_lookup_tag+0x89/0xd0
[<ffffffffa018c512>] fscache_write_op+0x222/0x3b0 [fscache]
[<ffffffffa018b35a>] fscache_op_work_func+0x3a/0x100 [fscache]
[<ffffffff8107bfe9>] process_one_work+0x179/0x4a0
[<ffffffff8107d47b>] worker_thread+0x11b/0x370
[<ffffffff8107d360>] ? manage_workers.isra.21+0x2e0/0x2e0
[<ffffffff81083d69>] kthread+0xc9/0xe0
[<ffffffff81010000>] ? ftrace_raw_event_xen_mmu_release_ptpage+0x70/0x90
[<ffffffff81083ca0>] ? flush_kthread_worker+0xb0/0xb0
[<ffffffff8159eefc>] ret_from_fork+0x7c/0xb0
[<ffffffff81083ca0>] ? flush_kthread_worker+0xb0/0xb0
Signed-off-by: Milosz Tanski <milosz@adfin.com>
Signed-off-by: David Howells <dhowells@redhat.com>
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|---|---|---|
| .. | ||
| 9p | ||
| adfs | ||
| affs | ||
| afs | ||
| autofs4 | ||
| befs | ||
| bfs | ||
| btrfs | ||
| cachefiles | ||
| ceph | ||
| cifs | ||
| coda | ||
| configfs | ||
| cramfs | ||
| debugfs | ||
| devpts | ||
| dlm | ||
| ecryptfs | ||
| efivarfs | ||
| efs | ||
| exofs | ||
| exportfs | ||
| ext2 | ||
| ext3 | ||
| ext4 | ||
| f2fs | ||
| fat | ||
| freevxfs | ||
| fscache | ||
| fuse | ||
| gfs2 | ||
| hfs | ||
| hfsplus | ||
| hostfs | ||
| hpfs | ||
| hppfs | ||
| hugetlbfs | ||
| isofs | ||
| jbd | ||
| jbd2 | ||
| jffs2 | ||
| jfs | ||
| kernfs | ||
| lockd | ||
| logfs | ||
| minix | ||
| ncpfs | ||
| nfs | ||
| nfs_common | ||
| nfsd | ||
| nilfs2 | ||
| nls | ||
| notify | ||
| ntfs | ||
| ocfs2 | ||
| omfs | ||
| openpromfs | ||
| proc | ||
| pstore | ||
| qnx4 | ||
| qnx6 | ||
| quota | ||
| ramfs | ||
| reiserfs | ||
| romfs | ||
| squashfs | ||
| sysfs | ||
| sysv | ||
| ubifs | ||
| udf | ||
| ufs | ||
| xfs | ||
| aio.c | ||
| anon_inodes.c | ||
| attr.c | ||
| bad_inode.c | ||
| binfmt_aout.c | ||
| binfmt_elf_fdpic.c | ||
| binfmt_elf.c | ||
| binfmt_em86.c | ||
| binfmt_flat.c | ||
| binfmt_misc.c | ||
| binfmt_script.c | ||
| binfmt_som.c | ||
| block_dev.c | ||
| buffer.c | ||
| char_dev.c | ||
| compat_binfmt_elf.c | ||
| compat_ioctl.c | ||
| compat.c | ||
| coredump.c | ||
| dcache.c | ||
| dcookies.c | ||
| direct-io.c | ||
| drop_caches.c | ||
| eventfd.c | ||
| eventpoll.c | ||
| exec.c | ||
| fcntl.c | ||
| fhandle.c | ||
| file_table.c | ||
| file.c | ||
| filesystems.c | ||
| fs_pin.c | ||
| fs_struct.c | ||
| fs-writeback.c | ||
| inode.c | ||
| internal.h | ||
| ioctl.c | ||
| Kconfig | ||
| Kconfig.binfmt | ||
| libfs.c | ||
| locks.c | ||
| Makefile | ||
| mbcache.c | ||
| mount.h | ||
| mpage.c | ||
| namei.c | ||
| namespace.c | ||
| no-block.c | ||
| open.c | ||
| pipe.c | ||
| pnode.c | ||
| pnode.h | ||
| posix_acl.c | ||
| proc_namespace.c | ||
| read_write.c | ||
| readdir.c | ||
| select.c | ||
| seq_file.c | ||
| signalfd.c | ||
| splice.c | ||
| stack.c | ||
| stat.c | ||
| statfs.c | ||
| super.c | ||
| sync.c | ||
| timerfd.c | ||
| utimes.c | ||
| xattr.c | ||