[PATCH 19/24] fs: remove vfs_statx_fd

From: Christoph Hellwig
Date: Mon Jul 20 2020 - 12:27:38 EST


vfs_statx_fd is only used to implement vfs_fstat. Remove vfs_statx_fd
and just implement vfs_fstat directly.

Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
fs/stat.c | 22 +++++++---------------
include/linux/fs.h | 7 +------
2 files changed, 8 insertions(+), 21 deletions(-)

diff --git a/fs/stat.c b/fs/stat.c
index 44f8ad346db4ca..2683a051ce07fa 100644
--- a/fs/stat.c
+++ b/fs/stat.c
@@ -126,35 +126,27 @@ int vfs_getattr(const struct path *path, struct kstat *stat,
EXPORT_SYMBOL(vfs_getattr);

/**
- * vfs_statx_fd - Get the enhanced basic attributes by file descriptor
+ * vfs_fstat - Get the basic attributes by file descriptor
* @fd: The file descriptor referring to the file of interest
* @stat: The result structure to fill in.
- * @request_mask: STATX_xxx flags indicating what the caller wants
- * @query_flags: Query mode (KSTAT_QUERY_FLAGS)
*
* This function is a wrapper around vfs_getattr(). The main difference is
* that it uses a file descriptor to determine the file location.
*
* 0 will be returned on success, and a -ve error code if unsuccessful.
*/
-int vfs_statx_fd(unsigned int fd, struct kstat *stat,
- u32 request_mask, unsigned int query_flags)
+int vfs_fstat(int fd, struct kstat *stat)
{
struct fd f;
- int error = -EBADF;
-
- if (query_flags & ~KSTAT_QUERY_FLAGS)
- return -EINVAL;
+ int error;

f = fdget_raw(fd);
- if (f.file) {
- error = vfs_getattr(&f.file->f_path, stat,
- request_mask, query_flags);
- fdput(f);
- }
+ if (!f.file)
+ return -EBADF;
+ error = vfs_getattr(&f.file->f_path, stat, STATX_BASIC_STATS, 0);
+ fdput(f);
return error;
}
-EXPORT_SYMBOL(vfs_statx_fd);

static inline unsigned vfs_stat_set_lookup_flags(unsigned *lookup_flags,
int flags)
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 6100b9f92cee8b..0169d3efa844d0 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -3297,7 +3297,7 @@ extern const struct inode_operations simple_symlink_inode_operations;
extern int iterate_dir(struct file *, struct dir_context *);

extern int vfs_statx(int, const char __user *, int, struct kstat *, u32);
-extern int vfs_statx_fd(unsigned int, struct kstat *, u32, unsigned int);
+int vfs_fstat(int fd, struct kstat *stat);

static inline int vfs_stat(const char __user *filename, struct kstat *stat)
{
@@ -3315,11 +3315,6 @@ static inline int vfs_fstatat(int dfd, const char __user *filename,
return vfs_statx(dfd, filename, flags | AT_NO_AUTOMOUNT,
stat, STATX_BASIC_STATS);
}
-static inline int vfs_fstat(int fd, struct kstat *stat)
-{
- return vfs_statx_fd(fd, stat, STATX_BASIC_STATS, 0);
-}
-

extern const char *vfs_get_link(struct dentry *, struct delayed_call *);
extern int vfs_readlink(struct dentry *, char __user *, int);
--
2.27.0