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Commit ca76d2d8 authored by Cyrill Gorcunov's avatar Cyrill Gorcunov Committed by Linus Torvalds
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UDF: fix UID and GID mount option ignorance 

This patch fix weird behaviour of UDF mounting procedure.  To get UID
changed (for now) we have to type

	mount -t udf -o uid=some_user,uid=ignore /dev/device /mnt/moun_point

and specifying two uid at once is strange a bit.  So with the patch we are
able to mount without additional 'uid=ignore' option.  The same for GID
option is done.

This patch will not break current mount scheme (with two option).

Btw this does fix (I hope) the following

	[BUG 6124] mount of UDF fs ignores UID and GID options
        http://bugzilla.kernel.org/show_bug.cgi?id=6124



Signed-off-by: default avatarCyrill Gorcunov <gorcunov@gmail.com>
Cc: Jan Kara <jack@ucw.cz>
Cc: Michael <auslands-kv@gmx.de>
Cc: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent f2912a12

fs/udf/inode.c

+6 −4
Original line number Diff line number Diff line
@@ -1127,13 +1127,15 @@ static void udf_fill_inode(struct inode *inode, struct buffer_head *bh) 
	}



	inode->i_uid = le32_to_cpu(fe->uid);

	if (inode->i_uid == -1 || UDF_QUERY_FLAG(inode->i_sb,

						 UDF_FLAG_UID_IGNORE))

	if (inode->i_uid == -1 ||

	    UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_UID_IGNORE) ||

	    UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_UID_SET))

		inode->i_uid = UDF_SB(inode->i_sb)->s_uid;



	inode->i_gid = le32_to_cpu(fe->gid);

	if (inode->i_gid == -1 || UDF_QUERY_FLAG(inode->i_sb,

						 UDF_FLAG_GID_IGNORE))

	if (inode->i_gid == -1 ||

	    UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_GID_IGNORE) ||

	    UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_GID_SET))

		inode->i_gid = UDF_SB(inode->i_sb)->s_gid;



	inode->i_nlink = le16_to_cpu(fe->fileLinkCount);

fs/udf/super.c

+2 −0
Original line number Diff line number Diff line
@@ -366,11 +366,13 @@ static int udf_parse_options(char *options, struct udf_options *uopt) 
			if (match_int(args, &option))

				return 0;

			uopt->gid = option;

			uopt->flags |= (1 << UDF_FLAG_GID_SET);

			break;

		case Opt_uid:

			if (match_int(args, &option))

				return 0;

			uopt->uid = option;

			uopt->flags |= (1 << UDF_FLAG_UID_SET);

			break;

		case Opt_umask:

			if (match_octal(args, &option))

fs/udf/udf_sb.h

+2 −0
Original line number Diff line number Diff line
@@ -24,6 +24,8 @@ 
#define UDF_FLAG_UID_IGNORE     12    /* use sb uid instead of on disk uid */

#define UDF_FLAG_GID_FORGET     13

#define UDF_FLAG_GID_IGNORE     14

#define UDF_FLAG_UID_SET	15

#define UDF_FLAG_GID_SET	16



#define UDF_PART_FLAG_UNALLOC_BITMAP	0x0001

#define UDF_PART_FLAG_UNALLOC_TABLE	0x0002