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Author SHA1 Message Date
Christoph Hellwig 365b181897 add f_flags to struct statfs(64) 
Add a flags field to help glibc implementing statvfs(3) efficiently.

We copy the flag values from glibc, and add a new ST_VALID flag to
denote that f_flags is implemented.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2010-08-09 16:48:44 -04:00
Christoph Hellwig ebabe9a900 pass a struct path to vfs_statfs 
We'll need the path to implement the flags field for statvfs support.
We do have it available in all callers except:

 - ecryptfs_statfs.  This one doesn't actually need vfs_statfs but just
   needs to do a caller to the lower filesystem statfs method.
 - sys_ustat.  Add a non-exported statfs_by_dentry helper for it which
   doesn't won't be able to fill out the flags field later on.

In addition rename the helpers for statfs vs fstatfs to do_*statfs instead
of the misleading vfs prefix.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2010-08-09 16:48:42 -04:00
Al Viro 7ed1ee6118 Take statfs variants to fs/statfs.c 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2010-05-21 18:31:17 -04:00