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| author | Al Viro <viro@zeniv.linux.org.uk> | 2008-02-23 01:50:45 +0100 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2008-10-21 13:49:00 +0200 |
| commit | 30c40d2c01f68c7eb1a41ab3552bdaf5dbf300d4 (patch) | |
| tree | 38b69a80c4c0df13ef3b905f5195f6cadf930223 /fs/super.c | |
| parent | [PATCH] pass fmode_t to blkdev_put() (diff) | |
| download | linux-30c40d2c01f68c7eb1a41ab3552bdaf5dbf300d4.tar.xz linux-30c40d2c01f68c7eb1a41ab3552bdaf5dbf300d4.zip | |
[PATCH] propagate mode through open_bdev_excl/close_bdev_excl
replace open_bdev_excl/close_bdev_excl with variants taking fmode_t.
superblock gets the value used to mount it stored in sb->s_mode
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/super.c')
| -rw-r--r-- | fs/super.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/fs/super.c b/fs/super.c index e931ae9511fe..0d77ac20d03e 100644 --- a/fs/super.c +++ b/fs/super.c @@ -760,9 +760,13 @@ int get_sb_bdev(struct file_system_type *fs_type, { struct block_device *bdev; struct super_block *s; + fmode_t mode = FMODE_READ; int error = 0; - bdev = open_bdev_excl(dev_name, flags, fs_type); + if (!(flags & MS_RDONLY)) + mode |= FMODE_WRITE; + + bdev = open_bdev_exclusive(dev_name, mode, fs_type); if (IS_ERR(bdev)) return PTR_ERR(bdev); @@ -785,11 +789,12 @@ int get_sb_bdev(struct file_system_type *fs_type, goto error_bdev; } - close_bdev_excl(bdev); + close_bdev_exclusive(bdev, mode); } else { char b[BDEVNAME_SIZE]; s->s_flags = flags; + s->s_mode = mode; strlcpy(s->s_id, bdevname(bdev, b), sizeof(s->s_id)); sb_set_blocksize(s, block_size(bdev)); error = fill_super(s, data, flags & MS_SILENT ? 1 : 0); @@ -807,7 +812,7 @@ int get_sb_bdev(struct file_system_type *fs_type, error_s: error = PTR_ERR(s); error_bdev: - close_bdev_excl(bdev); + close_bdev_exclusive(bdev, mode); error: return error; } @@ -817,10 +822,11 @@ EXPORT_SYMBOL(get_sb_bdev); void kill_block_super(struct super_block *sb) { struct block_device *bdev = sb->s_bdev; + fmode_t mode = sb->s_mode; generic_shutdown_super(sb); sync_blockdev(bdev); - close_bdev_excl(bdev); + close_bdev_exclusive(bdev, mode); } EXPORT_SYMBOL(kill_block_super); |