diff options
author | Ingo Molnar <mingo@elte.hu> | 2009-06-01 21:06:21 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2009-06-01 21:06:21 +0200 |
commit | 3d58f48ba05caed9118bce62b3047f8683438835 (patch) | |
tree | 94c911034f0e14ded73d3e9e6e9f8e22b6cad822 /fs/devpts | |
parent | abfe0af9813153bae8c85d9bac966bafcb8ddab1 (diff) | |
parent | d9244b5d2fbfe9fa540024b410047af13ceec90f (diff) |
Merge branch 'linus' into irq/numa
Conflicts:
arch/mips/sibyte/bcm1480/irq.c
arch/mips/sibyte/sb1250/irq.c
Merge reason: we gathered a few conflicts plus update to latest upstream fixes.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'fs/devpts')
-rw-r--r-- | fs/devpts/inode.c | 23 |
1 files changed, 14 insertions, 9 deletions
diff --git a/fs/devpts/inode.c b/fs/devpts/inode.c index 63a4a59e414..c68edb96944 100644 --- a/fs/devpts/inode.c +++ b/fs/devpts/inode.c @@ -90,6 +90,15 @@ static inline struct super_block *pts_sb_from_inode(struct inode *inode) #define PARSE_MOUNT 0 #define PARSE_REMOUNT 1 +/* + * parse_mount_options(): + * Set @opts to mount options specified in @data. If an option is not + * specified in @data, set it to its default value. The exception is + * 'newinstance' option which can only be set/cleared on a mount (i.e. + * cannot be changed during remount). + * + * Note: @data may be NULL (in which case all options are set to default). + */ static int parse_mount_options(char *data, int op, struct pts_mount_opts *opts) { char *p; @@ -355,12 +364,9 @@ static int devpts_get_sb(struct file_system_type *fs_type, struct pts_mount_opts opts; struct super_block *s; - memset(&opts, 0, sizeof(opts)); - if (data) { - error = parse_mount_options(data, PARSE_MOUNT, &opts); - if (error) - return error; - } + error = parse_mount_options(data, PARSE_MOUNT, &opts); + if (error) + return error; if (opts.newinstance) s = sget(fs_type, NULL, set_anon_super, NULL); @@ -389,11 +395,10 @@ static int devpts_get_sb(struct file_system_type *fs_type, return 0; out_dput: - dput(s->s_root); + dput(s->s_root); /* undo dget() in simple_set_mnt() */ out_undo_sget: - up_write(&s->s_umount); - deactivate_super(s); + deactivate_locked_super(s); return error; } |