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Eric Sandeen 39b3f6d6e9 [PATCH] mount udf UDF_PART_FLAG_READ_ONLY partitions with MS_RDONLY ... There's a bug where a UDF_PART_FLAG_READ_ONLY udf partition gets mounted read-write, then subsequent problems happen; files seem to be able to be removed, but file creation results in EIO or worse, oops. EIO is coming from udf_new_block(), which returns EIO if the right flags aren't set; only UDF_PART_FLAG_READ_ONLY is set in this case. We probably s hould not have gotten this far... Attached patch seems to fix it - and includes a printk to alert the user that their "rw" mount request has been converted to "ro." Here's the testcase I used: [root@magnesium ~]# mkisofs -R -J -udf -o testiso /tmp/ ... Total translation table size: 0 Total rockridge attributes bytes: 342923 Total directory bytes: 382312 Path table size(bytes): 104 Max brk space used 103000 105059 extents written (205 MB) [root@magnesium ~]# mount -o loop testiso /mnt/test/ [root@magnesium ~]# ls /mnt/test/fsfile /mnt/test/fsfile [root@magnesium ~]# rm /mnt/test/fsfile [root@magnesium ~]# ls /mnt/test/fsfile ls: /mnt/test/fsfile: No such file or directory [root@magnesium ~]# touch /mnt/test/fsfile touch: cannot touch `/mnt/test/fsfile': Input/output error [root@magnesium tmp]# grep udf /proc/mounts /dev/loop1 /mnt/test udf rw 0 0 Force readonly mounts of UDF partitions marked as read-only. Signed-off-by: Eric Sandeen <sandeen@sandeen.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>		19 years ago
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Makefile	Linux-2.6.12-rc2	20 years ago
balloc.c	[PATCH] sem2mutex: UDF	19 years ago
crc.c	remove pointers to the defunct UDF mailing list	19 years ago
dir.c	[PATCH] Make most file operations structs in fs/ const	19 years ago
directory.c	remove pointers to the defunct UDF mailing list	19 years ago
ecma_167.h	Linux-2.6.12-rc2	20 years ago
file.c	[PATCH] mark address_space_operations const	19 years ago
fsync.c	remove pointers to the defunct UDF mailing list	19 years ago
ialloc.c	[PATCH] inode-diet: Eliminate i_blksize from the inode structure	19 years ago
inode.c	[PATCH] inode-diet: Eliminate i_blksize from the inode structure	19 years ago
lowlevel.c	remove pointers to the defunct UDF mailing list	19 years ago
misc.c	remove pointers to the defunct UDF mailing list	19 years ago
namei.c	[PATCH] UDF: Fix issues reported by Coverity in namei.c	19 years ago
osta_udf.h	Linux-2.6.12-rc2	20 years ago
partition.c	remove pointers to the defunct UDF mailing list	19 years ago
super.c	[PATCH] mount udf UDF_PART_FLAG_READ_ONLY partitions with MS_RDONLY	19 years ago
symlink.c	[PATCH] mark address_space_operations const	19 years ago
truncate.c	Fix possible UDF deadlock and memory corruption (CVE-2006-4145)	19 years ago
udf_i.h	Linux-2.6.12-rc2	20 years ago
udf_sb.h	[PATCH] udf: fix uid/gid options and add uid/gid=ignore and forget options	19 years ago
udfdecl.h	Remove obsolete #include <linux/config.h>	19 years ago
udfend.h	Linux-2.6.12-rc2	20 years ago
udftime.c	[PATCH] UDF filesystem: array '__mon_yday' declared as not static	20 years ago
unicode.c	remove pointers to the defunct UDF mailing list	19 years ago