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8009f9fb30
linux/fs/ext4
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Aneesh Kumar K.V 8009f9fb30 ext4: Fix circular locking dependency with migrate and rm. 
In order to prevent a circular locking dependency when an unlink
operation is racing with an ext4 migration, we delay taking i_data_sem
until just before switch the inode format, and use i_mutex to prevent
writes and truncates during the first part of the migration operation.

Acked-by: Jan Kara <jack@suse.cz>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Mingming Cao <cmm@us.ibm.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
2008-02-10 01:20:05 -05:00
..
acl.c
acl.h
balloc.c ext[234]: cleanup ext[234]_bg_num_gdb() 2008-02-06 10:41:21 -08:00
bitmap.c fs: mark nibblemap const 2007-10-17 08:42:47 -07:00
dir.c ext4: Introduce ext4_lblk_t 2008-01-28 23:58:27 -05:00
ext4_jbd2.c
extents.c ext4: Use the ext4_ext_actual_len() helper function 2008-01-28 23:58:27 -05:00
file.c ext4: store maxbytes for bitmapped files and return EFBIG as appropriate 2008-01-28 23:58:27 -05:00
fsync.c ext4: sparse fixes 2007-10-17 18:50:03 -04:00
group.h ext4: add ext4_group_t, and change all group variables to this type. 2008-01-28 23:58:27 -05:00
hash.c
ialloc.c iget: stop EXT4 from using iget() and read_inode() 2008-02-07 08:42:27 -08:00
inode.c allow in-inode EAs on ext4 root inode 2008-02-05 22:36:43 -05:00
ioctl.c ext4: Add EXT4_IOC_MIGRATE ioctl 2008-01-28 23:58:26 -05:00
Makefile ext4: Add multi block allocator for ext4 2008-01-29 00:19:52 -05:00
mballoc.c ext4: Fix null bh pointer dereference in mballoc 2008-02-10 01:07:28 -05:00
migrate.c ext4: Fix circular locking dependency with migrate and rm. 2008-02-10 01:20:05 -05:00
namei.c ext4: Don't set EXTENTS_FL flag for fast symlinks 2008-02-05 10:56:37 -05:00
namei.h
resize.c iget: stop EXT4 from using iget() and read_inode() 2008-02-07 08:42:27 -08:00
super.c iget: stop EXT4 from using iget() and read_inode() 2008-02-07 08:42:27 -08:00
symlink.c
xattr_security.c
xattr_trusted.c
xattr_user.c
xattr.c ext4: Add multi block allocator for ext4 2008-01-29 00:19:52 -05:00
xattr.h