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authorPeter Oberparleiter <peter.oberparleiter@de.ibm.com>2006-07-10 04:44:00 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-07-10 13:24:14 -0700
commit25e206b54b9a20e63b6f5194aeebfa13d37e015c (patch)
tree3b93a095eb1237e8d74f52553b69b666e6044f7d /mm/fadvise.c
parent7691030bc9732f7d535522dda78cfdd36716def1 (diff)
[PATCH] partitions: let partitions inherit policy from disk
Change the partition code in fs/partitions/check.c to initialize a newly detected partition's policy field with that of the containing block device (see patch below). My reasoning is that function set_disk_ro() in block/genhd.c modifies the policy field (read-only indicator) of a disk and all contained partitions. When a partition is detected after the call to set_disk_ro(), the policy field of this partition will currently not inherit the disk's policy field. This behavior poses a problem in cases where a block device can be 'logically de- and reactivated' like e.g. the s390 DASD driver because partition detection may run after the policy field has been modified. Signed-off-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com> Acked-by: Al Viro <viro@ftp.linux.org.uk> Makes-sense-to: Jens Axboe <axboe@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'mm/fadvise.c')
0 files changed, 0 insertions, 0 deletions