Jan Kara d2eb8c3593 udf: Fix deadlock when converting file from in-ICB one to normal one ...

During BKL removal in 2.6.38, conversion of files from in-ICB format to normal
format got broken. We call ->writepage with i_data_sem held but udf_get_block()
also acquires i_data_sem thus creating A-A deadlock.

We fix the problem by dropping i_data_sem before calling ->writepage() which is
safe since i_mutex still protects us against any changes in the file. Also fix
pagelock - i_data_sem lock inversion in udf_expand_file_adinicb() by dropping
i_data_sem before calling find_or_create_page().

CC: stable@kernel.org
Reported-by: Matthias Matiak <netzpython@mail-on.us>
Tested-by: Matthias Matiak <netzpython@mail-on.us>
Reviewed-by: Namjae Jeon <linkinjeon@gmail.com>
Signed-off-by: Jan Kara <jack@suse.cz>

2012-01-09 13:52:08 +01:00

..

balloc.c

udf: Neaten udf_debug uses

2011-10-31 23:43:58 +01:00

dir.c

udf: Remove unnecessary bkl usages

2011-01-06 17:03:57 +01:00

directory.c

udf: Neaten udf_debug uses

2011-10-31 23:43:58 +01:00

ecma_167.h

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

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

file.c

udf: Fix deadlock when converting file from in-ICB one to normal one

2012-01-09 13:52:08 +01:00

ialloc.c

udf: Move handling of uniqueID into a helper function and protect it by a s_alloc_mutex

2011-01-06 17:03:55 +01:00

inode.c

udf: Fix deadlock when converting file from in-ICB one to normal one

2012-01-09 13:52:08 +01:00

Kconfig

Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-udf-2.6

2011-01-11 14:45:52 -08:00

lowlevel.c

udf: Neaten udf_debug uses

2011-10-31 23:43:58 +01:00

Makefile

switch udf to simple_fsync()

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

misc.c

udf: Rename udf_error to udf_err

2011-10-10 19:29:01 +02:00

namei.c

Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/hch/vfs-queue

2011-11-02 11:41:01 -07:00

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: Cleanup metadata flags handling

2011-10-31 23:49:48 +01:00

super.c

udf: Cleanup metadata flags handling

2011-10-31 23:49:48 +01:00

symlink.c

udf: Replace bkl with the UDF_I(inode)->i_data_sem for protect udf_inode_info struct

2011-01-06 17:03:56 +01:00

truncate.c

udf: Convert printks to pr_<level>

2011-10-31 23:43:52 +01:00

udf_i.h

udf: Replace bkl with the UDF_I(inode)->i_data_sem for protect udf_inode_info struct

2011-01-06 17:03:56 +01:00

udf_sb.h

udf: Cleanup metadata flags handling

2011-10-31 23:49:48 +01:00

udfdecl.h

Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs

2011-11-02 10:05:22 -07:00

udfend.h

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

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

udftime.c

udf: Convert printks to pr_<level>

2011-10-31 23:43:52 +01:00

unicode.c

udf: Convert printks to pr_<level>

2011-10-31 23:43:52 +01:00