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Btrfs: corret fmode_t annotations 

Make sure to propagate fmode_t properly and use the right constants for
it.

Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Christoph Hellwig 2008-12-02 06:36:09 -05:00 committed by Chris Mason
parent 6e430f94e5
commit 97288f2c71
3 changed files with 20 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
fs/btrfs/super.c
View File

@ -242,7 +242,7 @@ int btrfs_parse_options(struct btrfs_root *root, char *options)
* All other options will be parsed on much later in the mount process and
* only when we need to allocate a new super block.
*/
static int btrfs_parse_early_options(const char *options, int flags,
static int btrfs_parse_early_options(const char *options, fmode_t flags,
void *holder, char **subvol_name,
struct btrfs_fs_devices **fs_devices)
{
@ -418,18 +418,22 @@ static int btrfs_get_sb(struct file_system_type *fs_type, int flags,
struct super_block *s;
struct dentry *root;
struct btrfs_fs_devices *fs_devices = NULL;
fmode_t mode = FMODE_READ;
int error = 0;
error = btrfs_parse_early_options(data, flags, fs_type,
if (!(flags & MS_RDONLY))
mode |= FMODE_WRITE;
error = btrfs_parse_early_options(data, mode, fs_type,
&subvol_name, &fs_devices);
if (error)
goto error;
error = btrfs_scan_one_device(dev_name, flags, fs_type, &fs_devices);
error = btrfs_scan_one_device(dev_name, mode, fs_type, &fs_devices);
if (error)
goto error_free_subvol_name;
error = btrfs_open_devices(fs_devices, flags, fs_type);
error = btrfs_open_devices(fs_devices, mode, fs_type);
if (error)
goto error_free_subvol_name;
@ -591,7 +595,7 @@ static long btrfs_control_ioctl(struct file *file, unsigned int cmd,
len = strnlen(vol->name, BTRFS_PATH_NAME_MAX);
switch (cmd) {
case BTRFS_IOC_SCAN_DEV:
ret = btrfs_scan_one_device(vol->name, MS_RDONLY,
ret = btrfs_scan_one_device(vol->name, FMODE_READ,
&btrfs_fs_type, &fs_devices);
break;
}

18
fs/btrfs/volumes.c
View File

@ -394,7 +394,7 @@ int btrfs_close_devices(struct btrfs_fs_devices *fs_devices)
}
int __btrfs_open_devices(struct btrfs_fs_devices *fs_devices,
int flags, void *holder)
fmode_t flags, void *holder)
{
struct block_device *bdev;
struct list_head *head = &fs_devices->devices;
@ -469,7 +469,7 @@ int __btrfs_open_devices(struct btrfs_fs_devices *fs_devices,
error_brelse:
brelse(bh);
error_close:
close_bdev_exclusive(bdev, MS_RDONLY);
close_bdev_exclusive(bdev, FMODE_READ);
error:
continue;
}
@ -488,7 +488,7 @@ out:
}
int btrfs_open_devices(struct btrfs_fs_devices *fs_devices,
int flags, void *holder)
fmode_t flags, void *holder)
{
int ret;
@ -507,7 +507,7 @@ int btrfs_open_devices(struct btrfs_fs_devices *fs_devices,
return ret;
}
int btrfs_scan_one_device(const char *path, int flags, void *holder,
int btrfs_scan_one_device(const char *path, fmode_t flags, void *holder,
struct btrfs_fs_devices **fs_devices_ret)
{
struct btrfs_super_block *disk_super;
@ -1008,7 +1008,7 @@ int btrfs_rm_device(struct btrfs_root *root, char *device_path)
goto out;
}
} else {
bdev = open_bdev_exclusive(device_path, MS_RDONLY,
bdev = open_bdev_exclusive(device_path, FMODE_READ,
root->fs_info->bdev_holder);
if (IS_ERR(bdev)) {
ret = PTR_ERR(bdev);
@ -1078,7 +1078,7 @@ int btrfs_rm_device(struct btrfs_root *root, char *device_path)
BUG_ON(device->writeable);
brelse(bh);
if (bdev)
close_bdev_exclusive(bdev, MS_RDONLY);
close_bdev_exclusive(bdev, FMODE_READ);
if (device->bdev) {
close_bdev_exclusive(device->bdev, device->mode);
@ -1121,7 +1121,7 @@ int btrfs_rm_device(struct btrfs_root *root, char *device_path)
}
if (bdev) {
/* one close for us */
close_bdev_exclusive(bdev, MS_RDONLY);
close_bdev_exclusive(bdev, FMODE_READ);
}
kfree(device->name);
kfree(device);
@ -1132,7 +1132,7 @@ error_brelse:
brelse(bh);
error_close:
if (bdev)
close_bdev_exclusive(bdev, MS_RDONLY);
close_bdev_exclusive(bdev, FMODE_READ);
out:
mutex_unlock(&root->fs_info->volume_mutex);
mutex_unlock(&uuid_mutex);
@ -2913,7 +2913,7 @@ static int open_seed_devices(struct btrfs_root *root, u8 *fsid)
goto out;
}
ret = __btrfs_open_devices(fs_devices, MS_RDONLY,
ret = __btrfs_open_devices(fs_devices, FMODE_READ,
root->fs_info->bdev_holder);
if (ret)
goto out;

4
fs/btrfs/volumes.h
View File

@ -135,8 +135,8 @@ int btrfs_map_bio(struct btrfs_root *root, int rw, struct bio *bio,
int mirror_num, int async_submit);
int btrfs_read_super_device(struct btrfs_root *root, struct extent_buffer *buf);
int btrfs_open_devices(struct btrfs_fs_devices *fs_devices,
int flags, void *holder);
int btrfs_scan_one_device(const char *path, int flags, void *holder,
fmode_t flags, void *holder);
int btrfs_scan_one_device(const char *path, fmode_t flags, void *holder,
struct btrfs_fs_devices **fs_devices_ret);
int btrfs_close_devices(struct btrfs_fs_devices *fs_devices);
int btrfs_close_extra_devices(struct btrfs_fs_devices *fs_devices);