提交 2430c4da 编写于 作者: C Coly Li 提交者: Linus Torvalds

fs/isofs: return f_fsid for statfs(2)

Make isofs return f_fsid info for statfs(2).
Signed-off-by: NColy Li <coly.li@suse.de>
Cc: Jan Kara <jack@ucw.cz>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
上级 604d295c
...@@ -923,6 +923,7 @@ static int isofs_fill_super(struct super_block *s, void *data, int silent) ...@@ -923,6 +923,7 @@ static int isofs_fill_super(struct super_block *s, void *data, int silent)
static int isofs_statfs (struct dentry *dentry, struct kstatfs *buf) static int isofs_statfs (struct dentry *dentry, struct kstatfs *buf)
{ {
struct super_block *sb = dentry->d_sb; struct super_block *sb = dentry->d_sb;
u64 id = huge_encode_dev(sb->s_bdev->bd_dev);
buf->f_type = ISOFS_SUPER_MAGIC; buf->f_type = ISOFS_SUPER_MAGIC;
buf->f_bsize = sb->s_blocksize; buf->f_bsize = sb->s_blocksize;
...@@ -932,6 +933,8 @@ static int isofs_statfs (struct dentry *dentry, struct kstatfs *buf) ...@@ -932,6 +933,8 @@ static int isofs_statfs (struct dentry *dentry, struct kstatfs *buf)
buf->f_bavail = 0; buf->f_bavail = 0;
buf->f_files = ISOFS_SB(sb)->s_ninodes; buf->f_files = ISOFS_SB(sb)->s_ninodes;
buf->f_ffree = 0; buf->f_ffree = 0;
buf->f_fsid.val[0] = (u32)id;
buf->f_fsid.val[1] = (u32)(id >> 32);
buf->f_namelen = NAME_MAX; buf->f_namelen = NAME_MAX;
return 0; return 0;
} }
......
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