On 02/13/2013 08:10 AM, Imre Deak wrote:
For better code reuse use the newly added page iterator to iterate through the pages. The offset, length within the page is still calculated by the mapping iterator as well as the actual mapping. Idea from Tejun Heo tj@kernel.org.
This patch appears in linux-next since next-20130220. It breaks mounting a root filesystem on an SD card on the Raspberry Pi ARM platform, with errors such as those shown below.
next-20130222 with just this patch reverted works fine.
[ 0.708426] VFS: Mounted root (ext4 filesystem) on device 179:2. [ 0.723742] devtmpfs: mounted [ 0.733064] Freeing init memory: 204K [ 0.777992] EXT4-fs error (device mmcblk0p2): ext4_iget:3814: inode #4259: comm swapper: bad extra_isize (57200 != 256) [ 0.815172] EXT4-fs error (device mmcblk0p2): ext4_lookup:1428: inode #8198: comm swapper: deleted inode referenced: 487 [ 0.826179] Kernel panic - not syncing: No init found. Try passing init= option to kernel. See Linux Documentation/init.txt for guidance.
[ 0.719365] VFS: Mounted root (ext4 filesystem) on device 179:2. [ 0.740918] devtmpfs: mounted [ 0.745219] Freeing init memory: 204K ERROR: ld.so: object '/usr/lib/arm-linux-gnueabihf/libcofi_rpi.so' from /etc/ld.so.preload cannot be preloaded: ignored. [ 0.906840] Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b
[ 0.724018] VFS: Mounted root (ext4 filesystem) on device 179:2. [ 0.739404] devtmpfs: mounted [ 0.748741] Freeing init memory: 204K [ 0.793603] EXT4-fs error (device mmcblk0p2): ext4_iget:3814: inode #4259: comm swapper: bad extra_isize (57200 != 256) [ 0.822138] Kernel panic - not syncing: No init found. Try passing init= option to kernel. See Linux Documentation/init.txt for guidance.