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authorJan Kara <jack@suse.cz>2008-02-08 04:21:09 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2008-02-08 09:22:38 -0800
commit9b7880e7bb30e641037550888b5c22d94c77f254 (patch)
tree4e2ef4fa7a5fc63059fcd928a300169e41aa207c
parent6d141c3ff6d74cc30cdbf26155842756ac16cf7f (diff)
downloadop-kernel-dev-9b7880e7bb30e641037550888b5c22d94c77f254.zip
op-kernel-dev-9b7880e7bb30e641037550888b5c22d94c77f254.tar.gz
isofs: implement dmode option
Implement dmode option for iso9660 filesystem to allow setting of access rights for directories on the filesystem. Signed-off-by: Jan Kara <jack@suse.cz> Cc: "Ilya N. Golubev" <gin@mo.msk.ru> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--Documentation/filesystems/isofs.txt1
-rw-r--r--fs/isofs/inode.c23
-rw-r--r--fs/isofs/isofs.h3
3 files changed, 18 insertions, 9 deletions
diff --git a/Documentation/filesystems/isofs.txt b/Documentation/filesystems/isofs.txt
index 758e504..6973b98 100644
--- a/Documentation/filesystems/isofs.txt
+++ b/Documentation/filesystems/isofs.txt
@@ -24,6 +24,7 @@ Mount options unique to the isofs filesystem.
map=normal Map non-Rock Ridge filenames to lower case
map=acorn As map=normal but also apply Acorn extensions if present
mode=xxx Sets the permissions on files to xxx
+ dmode=xxx Sets the permissions on directories to xxx
nojoliet Ignore Joliet extensions if they are present.
norock Ignore Rock Ridge extensions if they are present.
hide Completely strip hidden files from the file system.
diff --git a/fs/isofs/inode.c b/fs/isofs/inode.c
index 875d37f..c3240b4 100644
--- a/fs/isofs/inode.c
+++ b/fs/isofs/inode.c
@@ -144,7 +144,8 @@ struct iso9660_options{
char nocompress;
unsigned char check;
unsigned int blocksize;
- mode_t mode;
+ mode_t fmode;
+ mode_t dmode;
gid_t gid;
uid_t uid;
char *iocharset;
@@ -305,7 +306,7 @@ enum {
Opt_block, Opt_check_r, Opt_check_s, Opt_cruft, Opt_gid, Opt_ignore,
Opt_iocharset, Opt_map_a, Opt_map_n, Opt_map_o, Opt_mode, Opt_nojoliet,
Opt_norock, Opt_sb, Opt_session, Opt_uid, Opt_unhide, Opt_utf8, Opt_err,
- Opt_nocompress, Opt_hide, Opt_showassoc,
+ Opt_nocompress, Opt_hide, Opt_showassoc, Opt_dmode,
};
static match_table_t tokens = {
@@ -332,6 +333,7 @@ static match_table_t tokens = {
{Opt_uid, "uid=%u"},
{Opt_gid, "gid=%u"},
{Opt_mode, "mode=%u"},
+ {Opt_dmode, "dmode=%u"},
{Opt_block, "block=%u"},
{Opt_ignore, "conv=binary"},
{Opt_ignore, "conv=b"},
@@ -359,7 +361,7 @@ static int parse_options(char *options, struct iso9660_options *popt)
popt->check = 'u'; /* unset */
popt->nocompress = 0;
popt->blocksize = 1024;
- popt->mode = S_IRUGO | S_IXUGO; /*
+ popt->fmode = popt->dmode = S_IRUGO | S_IXUGO; /*
* r-x for all. The disc could
* be shared with DOS machines so
* virtually anything could be
@@ -451,7 +453,12 @@ static int parse_options(char *options, struct iso9660_options *popt)
case Opt_mode:
if (match_int(&args[0], &option))
return 0;
- popt->mode = option;
+ popt->fmode = option;
+ break;
+ case Opt_dmode:
+ if (match_int(&args[0], &option))
+ return 0;
+ popt->dmode = option;
break;
case Opt_block:
if (match_int(&args[0], &option))
@@ -801,7 +808,8 @@ root_found:
* on the disk as suid, so we merely allow them to set the default
* permissions.
*/
- sbi->s_mode = opt.mode & 0777;
+ sbi->s_fmode = opt.fmode & 0777;
+ sbi->s_dmode = opt.dmode & 0777;
/*
* Read the root inode, which _may_ result in changing
@@ -1248,7 +1256,7 @@ static int isofs_read_inode(struct inode *inode)
ei->i_file_format = isofs_file_normal;
if (de->flags[-high_sierra] & 2) {
- inode->i_mode = S_IRUGO | S_IXUGO | S_IFDIR;
+ inode->i_mode = sbi->s_dmode | S_IFDIR;
inode->i_nlink = 1; /*
* Set to 1. We know there are 2, but
* the find utility tries to optimize
@@ -1258,9 +1266,8 @@ static int isofs_read_inode(struct inode *inode)
*/
} else {
/* Everybody gets to read the file. */
- inode->i_mode = sbi->s_mode;
+ inode->i_mode = sbi->s_fmode | S_IFREG;
inode->i_nlink = 1;
- inode->i_mode |= S_IFREG;
}
inode->i_uid = sbi->s_uid;
inode->i_gid = sbi->s_gid;
diff --git a/fs/isofs/isofs.h b/fs/isofs/isofs.h
index f3213f9..d1bdf8ad 100644
--- a/fs/isofs/isofs.h
+++ b/fs/isofs/isofs.h
@@ -51,7 +51,8 @@ struct isofs_sb_info {
unsigned char s_hide;
unsigned char s_showassoc;
- mode_t s_mode;
+ mode_t s_fmode;
+ mode_t s_dmode;
gid_t s_gid;
uid_t s_uid;
struct nls_table *s_nls_iocharset; /* Native language support table */
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