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H A D | ioctl.c | ac046f1d Mon Jul 13 08:30:17 CDT 2009 Peng Tao <bergwolf@gmail.com> ext4: fix null handler of ioctls in no journal mode
The EXT4_IOC_GROUP_ADD and EXT4_IOC_GROUP_EXTEND ioctls should not flush the journal in no_journal mode. Otherwise, running resize2fs on a mounted no_journal partition triggers the following error messages:
BUG: unable to handle kernel NULL pointer dereference at 00000014 IP: [<c039d282>] _spin_lock+0x8/0x19 *pde = 00000000 Oops: 0002 [#1] SMP
Signed-off-by: Peng Tao <bergwolf@gmail.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu> ac046f1d Mon Jul 13 08:30:17 CDT 2009 Peng Tao <bergwolf@gmail.com> ext4: fix null handler of ioctls in no journal mode The EXT4_IOC_GROUP_ADD and EXT4_IOC_GROUP_EXTEND ioctls should not flush the journal in no_journal mode. Otherwise, running resize2fs on a mounted no_journal partition triggers the following error messages: BUG: unable to handle kernel NULL pointer dereference at 00000014 IP: [<c039d282>] _spin_lock+0x8/0x19 *pde = 00000000 Oops: 0002 [#1] SMP Signed-off-by: Peng Tao <bergwolf@gmail.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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