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9p: Move a couple xattr functions to 9p-util

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These functions will need custom implementations on Darwin. Since the
implementation is very similar among all of them, and 9p-util already
has the _nofollow version of fgetxattrat, let's move them all there.

Signed-off-by: Keno Fischer <keno@juliacomputing.com>
Signed-off-by: Greg Kurz <groug@kaod.org>
This commit is contained in:
Keno Fischer 2018-06-07 12:17:22 +02:00 committed by Greg Kurz
parent 2306271c38
commit ec70b956fd
3 changed files with 37 additions and 33 deletions
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33
hw/9pfs/9p-util.c
View File

@ -24,3 +24,36 @@ ssize_t fgetxattrat_nofollow(int dirfd, const char *filename, const char *name,
g_free(proc_path); g_free(proc_path);
return ret; return ret;
} }
ssize_t flistxattrat_nofollow(int dirfd, const char *filename,
char *list, size_t size)
{
char *proc_path = g_strdup_printf("/proc/self/fd/%d/%s", dirfd, filename);
int ret;
ret = llistxattr(proc_path, list, size);
g_free(proc_path);
return ret;
}
ssize_t fremovexattrat_nofollow(int dirfd, const char *filename,
const char *name)
{
char *proc_path = g_strdup_printf("/proc/self/fd/%d/%s", dirfd, filename);
int ret;
ret = lremovexattr(proc_path, name);
g_free(proc_path);
return ret;
}
int fsetxattrat_nofollow(int dirfd, const char *filename, const char *name,
void *value, size_t size, int flags)
{
char *proc_path = g_strdup_printf("/proc/self/fd/%d/%s", dirfd, filename);
int ret;
ret = lsetxattr(proc_path, name, value, size, flags);
g_free(proc_path);
return ret;
}

4
hw/9pfs/9p-util.h
View File

@ -60,5 +60,9 @@ ssize_t fgetxattrat_nofollow(int dirfd, const char *path, const char *name,
void *value, size_t size); void *value, size_t size);
int fsetxattrat_nofollow(int dirfd, const char *path, const char *name, int fsetxattrat_nofollow(int dirfd, const char *path, const char *name,
void *value, size_t size, int flags); void *value, size_t size, int flags);
ssize_t flistxattrat_nofollow(int dirfd, const char *filename,
char *list, size_t size);
ssize_t fremovexattrat_nofollow(int dirfd, const char *filename,
const char *name);
#endif #endif

33
hw/9pfs/9p-xattr.c
View File

@ -60,17 +60,6 @@ ssize_t pt_listxattr(FsContext *ctx, const char *path,
return name_size; return name_size;
} }
static ssize_t flistxattrat_nofollow(int dirfd, const char *filename,
char *list, size_t size)
{
char *proc_path = g_strdup_printf("/proc/self/fd/%d/%s", dirfd, filename);
int ret;
ret = llistxattr(proc_path, list, size);
g_free(proc_path);
return ret;
}
/* /*
* Get the list and pass to each layer to find out whether * Get the list and pass to each layer to find out whether
* to send the data or not * to send the data or not
@ -196,17 +185,6 @@ ssize_t pt_getxattr(FsContext *ctx, const char *path, const char *name,
return local_getxattr_nofollow(ctx, path, name, value, size); return local_getxattr_nofollow(ctx, path, name, value, size);
} }
int fsetxattrat_nofollow(int dirfd, const char *filename, const char *name,
void *value, size_t size, int flags)
{
char *proc_path = g_strdup_printf("/proc/self/fd/%d/%s", dirfd, filename);
int ret;
ret = lsetxattr(proc_path, name, value, size, flags);
g_free(proc_path);
return ret;
}
ssize_t local_setxattr_nofollow(FsContext *ctx, const char *path, ssize_t local_setxattr_nofollow(FsContext *ctx, const char *path,
const char *name, void *value, size_t size, const char *name, void *value, size_t size,
int flags) int flags)
@ -235,17 +213,6 @@ int pt_setxattr(FsContext *ctx, const char *path, const char *name, void *value,
return local_setxattr_nofollow(ctx, path, name, value, size, flags); return local_setxattr_nofollow(ctx, path, name, value, size, flags);
} }
static ssize_t fremovexattrat_nofollow(int dirfd, const char *filename,
const char *name)
{
char *proc_path = g_strdup_printf("/proc/self/fd/%d/%s", dirfd, filename);
int ret;
ret = lremovexattr(proc_path, name);
g_free(proc_path);
return ret;
}
ssize_t local_removexattr_nofollow(FsContext *ctx, const char *path, ssize_t local_removexattr_nofollow(FsContext *ctx, const char *path,
const char *name) const char *name)
{ {