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9p: Modify the stat structures to use kuid_t and kgid_t

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9p has thre strucrtures that can encode inode stat information.  Modify
all of those structures to contain kuid_t and kgid_t values.  Modify
he wire encoders and decoders of those structures to use 'u' and 'g' instead of
'd' in the format string where uids and gids are present.

This results in all kuid and kgid conversion to and from on the wire values
being performed by the same code in protocol.c where the client is known
at the time of the conversion.

Cc: Eric Van Hensbergen <ericvh@gmail.com>
Cc: Ron Minnich <rminnich@gmail.com>
Cc: Latchesar Ionkov <lucho@ionkov.net>
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
This commit is contained in:
Eric W. Biederman
2013-01-29 16:18:50 -08:00
parent f791f7c5e3
commit 447c50943f
4 changed files with 30 additions and 21 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
include/net/9p/9p.h
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@@ -407,17 +407,17 @@ struct p9_wstat {
char *gid;
char *muid;
char *extension; /* 9p2000.u extensions */
u32 n_uid; /* 9p2000.u extensions */
u32 n_gid; /* 9p2000.u extensions */
u32 n_muid; /* 9p2000.u extensions */
kuid_t n_uid; /* 9p2000.u extensions */
kgid_t n_gid; /* 9p2000.u extensions */
kuid_t n_muid; /* 9p2000.u extensions */
};
struct p9_stat_dotl {
u64 st_result_mask;
struct p9_qid qid;
u32 st_mode;
u32 st_uid;
u32 st_gid;
kuid_t st_uid;
kgid_t st_gid;
u64 st_nlink;
u64 st_rdev;
u64 st_size;
@@ -471,8 +471,8 @@ struct p9_stat_dotl {
struct p9_iattr_dotl {
u32 valid;
u32 mode;
u32 uid;
u32 gid;
kuid_t uid;
kgid_t gid;
u64 size;
u64 atime_sec;
u64 atime_nsec;