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[PATCH] FUSE: pass file handle in setattr

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This patch passes the file handle supplied in iattr to userspace, in case the
->setattr() was invoked from sys_ftruncate().  This solves the permission
checking (or lack thereof) in ftruncate() for the class of filesystems served
by an unprivileged userspace process.

Signed-off-by: Miklos Szeredi <miklos@szeredi.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Miklos Szeredi
2005-11-07 00:59:52 -08:00
committed by Linus Torvalds
parent fd72faac95
commit befc649c22
2 changed files with 29 additions and 15 deletions
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16
include/linux/fuse.h
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@@ -61,6 +61,7 @@ struct fuse_kstatfs {
#define FATTR_SIZE (1 << 3)
#define FATTR_ATIME (1 << 4)
#define FATTR_MTIME (1 << 5)
#define FATTR_FH (1 << 6)
/**
* Flags returned by the OPEN request
@@ -154,7 +155,20 @@ struct fuse_link_in {
struct fuse_setattr_in {
__u32 valid;
__u32 padding;
struct fuse_attr attr;
__u64 fh;
__u64 size;
__u64 unused1;
__u64 atime;
__u64 mtime;
__u64 unused2;
__u32 atimensec;
__u32 mtimensec;
__u32 unused3;
__u32 mode;
__u32 unused4;
__u32 uid;
__u32 gid;
__u32 unused5;
};
struct fuse_open_in {