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Suzuki Kp 5127d002f9 [PATCH] fix rescan_partitions to return errors properly 
The current rescan_partition implementation ignores the errors that comes from
the lower layer.  It reports success for unknown partitions as well as I/O
error cases while reading the partition information.

The unknown partition is not (and will not be) considered as an error in the
kernel, since there are legal users of it (e.g, members of a RAID5 MD Device
or a new disk which is not partitioned at all ).  Changing this behaviour
would scare the user about a serious problem with their disk and is not
recommended.  Thus for both "unknown partitions" to the Linux (eg., DEC
VMS,Novell Netware) and the legal users of NULL partition, would still be
reported as "SUCCESS".

The patch attached here, scares the user about something which he does need to
worry about.  i.e, returning -EIO on disk I/O errors while reading the
partition information.

Signed-off-by: Suzuki K P <suzuki@in.ibm.com>
Cc: Erik Mouw <erik@harddisk-recovery.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-12-07 08:39:30 -08:00
..
9p Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 2006-12-05 17:01:28 +00:00
adfs [PATCH] slab: remove kmem_cache_t 2006-12-07 08:39:25 -08:00
affs [PATCH] slab: remove kmem_cache_t 2006-12-07 08:39:25 -08:00
afs [PATCH] Add include/linux/freezer.h and move definitions from sched.h 2006-12-07 08:39:27 -08:00
autofs [PATCH] autofs4: panic after mount fail 2006-11-14 09:09:27 -08:00
autofs4 [PATCH] autofs4: panic after mount fail 2006-11-14 09:09:27 -08:00
befs [PATCH] slab: remove kmem_cache_t 2006-12-07 08:39:25 -08:00
bfs [PATCH] slab: remove kmem_cache_t 2006-12-07 08:39:25 -08:00
cifs [PATCH] Add include/linux/freezer.h and move definitions from sched.h 2006-12-07 08:39:27 -08:00
coda [PATCH] slab: remove kmem_cache_t 2006-12-07 08:39:25 -08:00
configfs [PATCH] slab: remove kmem_cache_t 2006-12-07 08:39:25 -08:00
cramfs [PATCH] cramfs: make cramfs_uncompress_exit() return void 2006-09-29 09:18:20 -07:00
debugfs [PATCH] debugfs: add header file 2006-11-25 13:28:33 -08:00
devpts [PATCH] inode-diet: Eliminate i_blksize from the inode structure 2006-09-27 08:26:18 -07:00
dlm [PATCH] slab: remove kmem_cache_t 2006-12-07 08:39:25 -08:00
ecryptfs [PATCH] slab: remove kmem_cache_t 2006-12-07 08:39:25 -08:00
efs [PATCH] slab: remove kmem_cache_t 2006-12-07 08:39:25 -08:00
exportfs [PATCH] VFS: Make filldir_t and struct kstat deal in 64-bit inode numbers 2006-10-03 08:03:40 -07:00
ext2 [PATCH] slab: remove kmem_cache_t 2006-12-07 08:39:25 -08:00
ext3 [PATCH] slab: remove kmem_cache_t 2006-12-07 08:39:25 -08:00
ext4 [PATCH] slab: remove kmem_cache_t 2006-12-07 08:39:25 -08:00
fat [PATCH] slab: remove kmem_cache_t 2006-12-07 08:39:25 -08:00
freevxfs [PATCH] slab: remove kmem_cache_t 2006-12-07 08:39:25 -08:00
fuse [PATCH] slab: remove kmem_cache_t 2006-12-07 08:39:25 -08:00
gfs2 [PATCH] slab: remove kmem_cache_t 2006-12-07 08:39:25 -08:00
hfs [PATCH] slab: remove kmem_cache_t 2006-12-07 08:39:25 -08:00
hfsplus [PATCH] slab: remove kmem_cache_t 2006-12-07 08:39:25 -08:00
hostfs [PATCH] Streamline generic_file_* interfaces and filemap cleanups 2006-10-01 00:39:28 -07:00
hpfs [PATCH] slab: remove kmem_cache_t 2006-12-07 08:39:25 -08:00
hppfs [PATCH] hppfs: readdir callback missed in prototype change 2006-10-09 14:19:08 -07:00
hugetlbfs [PATCH] slab: remove kmem_cache_t 2006-12-07 08:39:25 -08:00
isofs [PATCH] slab: remove kmem_cache_t 2006-12-07 08:39:25 -08:00
jbd [PATCH] Add include/linux/freezer.h and move definitions from sched.h 2006-12-07 08:39:27 -08:00
jbd2 [PATCH] Add include/linux/freezer.h and move definitions from sched.h 2006-12-07 08:39:27 -08:00
jffs [PATCH] Add include/linux/freezer.h and move definitions from sched.h 2006-12-07 08:39:27 -08:00
jffs2 [PATCH] Add include/linux/freezer.h and move definitions from sched.h 2006-12-07 08:39:27 -08:00
jfs [PATCH] Add include/linux/freezer.h and move definitions from sched.h 2006-12-07 08:39:27 -08:00
lockd [PATCH] Add include/linux/freezer.h and move definitions from sched.h 2006-12-07 08:39:27 -08:00
minix [PATCH] slab: remove kmem_cache_t 2006-12-07 08:39:25 -08:00
msdos [PATCH] fat: add fat_getattr() 2006-11-16 11:43:38 -08:00
ncpfs [PATCH] slab: remove kmem_cache_t 2006-12-07 08:39:25 -08:00
nfs [PATCH] slab: remove kmem_cache_t 2006-12-07 08:39:25 -08:00
nfs_common [PATCH] nfs_common endianness annotations 2006-10-20 10:26:41 -07:00
nfsd [PATCH] slab: remove kmem_cache_t 2006-12-07 08:39:25 -08:00
nls fix file specification in comments 2006-10-03 23:01:26 +02:00
ntfs [PATCH] slab: remove SLAB_NOFS 2006-12-07 08:39:23 -08:00
ocfs2 [PATCH] slab: remove kmem_cache_t 2006-12-07 08:39:25 -08:00
openpromfs [PATCH] slab: remove kmem_cache_t 2006-12-07 08:39:25 -08:00
partitions [PATCH] fix rescan_partitions to return errors properly 2006-12-07 08:39:30 -08:00
proc [PATCH] slab: remove kmem_cache_t 2006-12-07 08:39:25 -08:00
qnx4 [PATCH] slab: remove kmem_cache_t 2006-12-07 08:39:25 -08:00
ramfs [PATCH] r/o bind mount prepwork: inc_nlink() helper 2006-10-01 00:39:30 -07:00
reiserfs [PATCH] slab: remove kmem_cache_t 2006-12-07 08:39:25 -08:00
romfs [PATCH] slab: remove kmem_cache_t 2006-12-07 08:39:25 -08:00
smbfs [PATCH] slab: remove kmem_cache_t 2006-12-07 08:39:25 -08:00
sysfs [PATCH] slab: remove kmem_cache_t 2006-12-07 08:39:25 -08:00
sysv [PATCH] slab: remove kmem_cache_t 2006-12-07 08:39:25 -08:00
udf [PATCH] slab: remove kmem_cache_t 2006-12-07 08:39:25 -08:00
ufs [PATCH] slab: remove kmem_cache_t 2006-12-07 08:39:25 -08:00
vfat [PATCH] fat: add fat_getattr() 2006-11-16 11:43:38 -08:00
xfs [PATCH] Use freezeable workqueues in XFS 2006-12-07 08:39:29 -08:00
aio.c [PATCH] slab: remove kmem_cache_t 2006-12-07 08:39:25 -08:00
attr.c
bad_inode.c [PATCH] Remove readv/writev methods and use aio_read/aio_write instead 2006-10-01 00:39:28 -07:00
binfmt_aout.c [PATCH] Require mmap handler for a.out executables 2006-09-29 09:18:08 -07:00
binfmt_elf.c [POWERPC] coredump: Add SPU elf notes to coredump. 2006-12-04 20:40:19 +11:00
binfmt_elf_fdpic.c [PATCH] elf_fdpic_core_dump: don't take tasklist_lock 2006-09-29 09:18:14 -07:00
binfmt_em86.c
binfmt_flat.c
binfmt_misc.c [PATCH] Fix unserialized task->files changing 2006-09-29 09:18:12 -07:00
binfmt_script.c
binfmt_som.c [PARISC] Fix fs/binfmt_som.c 2006-10-04 06:51:26 -06:00
bio.c [PATCH] slab: remove kmem_cache_t 2006-12-07 08:39:25 -08:00
block_dev.c [PATCH] slab: remove kmem_cache_t 2006-12-07 08:39:25 -08:00
buffer.c [PATCH] slab: remove kmem_cache_t 2006-12-07 08:39:25 -08:00
char_dev.c [PATCH] BLOCK: Move extern declarations out of fs/*.c into header files [try #6] 2006-09-30 20:52:18 +02:00
compat.c [PATCH] skip data conversion in compat_sys_mount when data_page is NULL 2006-12-07 08:39:20 -08:00
compat_ioctl.c [PATCH] 32-bit compatibility HDIO IOCTLs 2006-10-11 11:14:22 -07:00
dcache.c [PATCH] slab: remove kmem_cache_t 2006-12-07 08:39:25 -08:00
dcookies.c [PATCH] slab: remove kmem_cache_t 2006-12-07 08:39:25 -08:00
direct-io.c
dnotify.c [PATCH] slab: remove kmem_cache_t 2006-12-07 08:39:25 -08:00
dquot.c [PATCH] slab: remove kmem_cache_t 2006-12-07 08:39:25 -08:00
drop_caches.c
eventpoll.c [PATCH] slab: remove kmem_cache_t 2006-12-07 08:39:25 -08:00
exec.c [PATCH] slab: remove SLAB_KERNEL 2006-12-07 08:39:24 -08:00
fcntl.c [PATCH] slab: remove kmem_cache_t 2006-12-07 08:39:25 -08:00
fifo.c
file.c WorkStruct: Pass the work_struct pointer instead of context data 2006-11-22 14:55:48 +00:00
file_table.c [PATCH] file: modify struct fown_struct to use a struct pid 2006-10-02 07:57:14 -07:00
filesystems.c [PATCH] Ban register_filesystem(NULL); 2006-09-29 09:18:20 -07:00
fs-writeback.c [PATCH] BLOCK: Remove dependence on existence of blockdev_superblock [try #6] 2006-09-30 20:52:26 +02:00
generic_acl.c [PATCH] Generic infrastructure for acls 2006-09-29 09:18:24 -07:00
inode.c [PATCH] slab: remove kmem_cache_t 2006-12-07 08:39:25 -08:00
inotify.c [PATCH] severing fs.h, radix-tree.h -> sched.h 2006-12-04 02:00:24 -05:00
inotify_user.c [PATCH] slab: remove kmem_cache_t 2006-12-07 08:39:25 -08:00
internal.h [PATCH] CONFIG_BLOCK internal.h cleanups 2006-09-30 20:52:32 +02:00
ioctl.c
ioprio.c [PATCH] block layer: ioprio_best function fix 2006-10-12 15:09:51 +02:00
Kconfig Fix typos in doc and comments 2006-11-30 05:32:19 +01:00
Kconfig.binfmt
libfs.c [PATCH] r/o bind mount prepwork: inc_nlink() helper 2006-10-01 00:39:30 -07:00
locks.c [PATCH] slab: remove kmem_cache_t 2006-12-07 08:39:25 -08:00
Makefile [PATCH] jbd2: enable building of jbd2 and have ext4 use it rather than jbd 2006-10-11 11:14:16 -07:00
mbcache.c [PATCH] slab: remove kmem_cache_t 2006-12-07 08:39:25 -08:00
mpage.c [PATCH] BLOCK: Dissociate generic_writepages() from mpage stuff [try #6] 2006-09-30 20:52:26 +02:00
namei.c [PATCH] r/o bind mount prepwork: move open_namei()'s vfs_create() 2006-10-01 00:39:30 -07:00
namespace.c [PATCH] slab: remove kmem_cache_t 2006-12-07 08:39:25 -08:00
nfsctl.c
no-block.c [PATCH] BLOCK: Make it possible to disable the block layer [try #6] 2006-09-30 20:52:31 +02:00
open.c [PATCH] r/o bind mounts: prepare for write access checks: collapse if() 2006-10-01 00:39:30 -07:00
pipe.c [PATCH] Some cleanup in the pipe code 2006-10-01 00:39:33 -07:00
pnode.c
pnode.h
posix_acl.c [PATCH] kmemdup: some users 2006-10-01 00:39:19 -07:00
quota.c [PATCH] BLOCK: Make it possible to disable the block layer [try #6] 2006-09-30 20:52:31 +02:00
quota_v1.c
quota_v2.c
read_write.c [PATCH] Add vector AIO support 2006-10-01 00:39:29 -07:00
read_write.h [PATCH] Remove readv/writev methods and use aio_read/aio_write instead 2006-10-01 00:39:28 -07:00
readdir.c [PATCH] VFS: Make filldir_t and struct kstat deal in 64-bit inode numbers 2006-10-03 08:03:40 -07:00
select.c [PATCH] enforce RLIMIT_NOFILE in poll() 2006-09-29 09:18:23 -07:00
seq_file.c
splice.c [PATCH] splice: fix problem introduced with inode diet 2006-11-04 08:45:39 -08:00
stat.c [PATCH] VFS: Make filldir_t and struct kstat deal in 64-bit inode numbers 2006-10-03 08:03:40 -07:00
super.c [PATCH] severing fs.h, radix-tree.h -> sched.h 2006-12-04 02:00:24 -05:00
sync.c [PATCH] severing fs.h, radix-tree.h -> sched.h 2006-12-04 02:00:24 -05:00
utimes.c [PATCH] severing fs.h, radix-tree.h -> sched.h 2006-12-04 02:00:24 -05:00
xattr.c [PATCH] Fix user.* xattr permission check for sticky dirs 2006-11-03 12:27:59 -08:00
xattr_acl.c