Jan Kara fa67ac18ef udf: Fix deadlock between writeback and udf_setsize() ...

commit f2e9535589 upstream.

udf_setsize() called truncate_setsize() with i_data_sem held. Thus
truncate_pagecache() called from truncate_setsize() could lock a page
under i_data_sem which can deadlock as page lock ranks below
i_data_sem - e. g. writeback can hold page lock and try to acquire
i_data_sem to map a block.

Fix the problem by moving truncate_setsize() calls from under
i_data_sem. It is safe for us to change i_size without holding
i_data_sem as all the places that depend on i_size being stable already
hold inode_lock.

Fixes: 7e49b6f248
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2017-07-27 15:08:06 -07:00

..

balloc.c

udf: Factor out code for creating indirect extent

2015-12-23 18:04:52 +01:00

dir.c

block: get rid of bio_rw and READA

2016-07-20 17:37:01 -06:00

directory.c

block: get rid of bio_rw and READA

2016-07-20 17:37:01 -06:00

ecma_167.h

Remove struct typedefs from fs/udf/ecma_167.h et al.

2009-04-02 12:29:47 +02:00

file.c

fs: Give dentry to inode_change_ok() instead of inode

2016-09-22 10:56:19 +02:00

ialloc.c

fs: Replace current_fs_time() with current_time()

2016-09-27 21:06:22 -04:00

inode.c

udf: Fix deadlock between writeback and udf_setsize()

2017-07-27 15:08:06 -07:00

Kconfig

udf: Update Kconfig description

2015-01-05 11:04:37 +01:00

lowlevel.c

udf: use linux/uaccess.h

2014-07-15 22:40:23 +02:00

Makefile

switch udf to simple_fsync()

2009-06-11 21:36:13 -04:00

misc.c

udf: remove redundant buffer_head.h includes

2015-03-14 07:54:02 +01:00

namei.c

Merge remote-tracking branch 'ovl/rename2' into for-linus

2016-10-10 23:02:51 -04:00

osta_udf.h

Remove struct typedefs from fs/udf/ecma_167.h et al.

2009-04-02 12:29:47 +02:00

partition.c

udf: Use correct partition reference number for metadata

2016-05-19 13:00:35 +02:00

super.c

udf: Use correct partition reference number for metadata

2016-05-19 13:00:35 +02:00

symlink.c

don't put symlink bodies in pagecache into highmem

2015-12-08 22:41:36 -05:00

truncate.c

udf: remove redundant buffer_head.h includes

2015-03-14 07:54:02 +01:00

udf_i.h

fs: cleanup slight list_entry abuse

2015-06-23 18:01:59 -04:00

udf_sb.h

udf: Use correct partition reference number for metadata

2016-05-19 13:00:35 +02:00

udfdecl.h

udf: Fix conversion of 'dstring' fields to UTF8

2016-04-25 15:18:50 +02:00

udfend.h

Remove struct typedefs from fs/udf/ecma_167.h et al.

2009-04-02 12:29:47 +02:00

udftime.c

udf: remove redundant sys_tz declaration

2014-09-29 13:45:12 +02:00

unicode.c

udf: Fix conversion of 'dstring' fields to UTF8

2016-04-25 15:18:50 +02:00