switch simple cases of fget_light to fdget

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 14 insertions, 19 deletions

diff --git a/fs/sync.c b/fs/sync.c
index eb8722dc556f..14eefeb44636 100644
--- a/fs/sync.c
+++ b/fs/sync.c
@@ -148,21 +148,19 @@ void emergency_sync(void)
  */
 SYSCALL_DEFINE1(syncfs, int, fd)
 {
-        struct file *file;
+        struct fd f = fdget(fd);
         struct super_block *sb;
         int ret;
-        int fput_needed;
 
-        file = fget_light(fd, &fput_needed);
-        if (!file)
+        if (!f.file)
                 return -EBADF;
-        sb = file->f_dentry->d_sb;
+        sb = f.file->f_dentry->d_sb;
 
         down_read(&sb->s_umount);
         ret = sync_filesystem(sb);
         up_read(&sb->s_umount);
 
-        fput_light(file, fput_needed);
+        fdput(f);
         return ret;
 }
 
@@ -201,14 +199,12 @@ EXPORT_SYMBOL(vfs_fsync);
 
 static int do_fsync(unsigned int fd, int datasync)
 {
-        struct file *file;
+        struct fd f = fdget(fd);
         int ret = -EBADF;
-        int fput_needed;
 
-        file = fget_light(fd, &fput_needed);
-        if (file) {
-                ret = vfs_fsync(file, datasync);
-                fput_light(file, fput_needed);
+        if (f.file) {
+                ret = vfs_fsync(f.file, datasync);
+                fdput(f);
         }
         return ret;
 }
@@ -291,10 +287,9 @@ SYSCALL_DEFINE(sync_file_range)(int fd, loff_t offset, loff_t nbytes,
                                 unsigned int flags)
 {
         int ret;
-        struct file *file;
+        struct fd f;
         struct address_space *mapping;
         loff_t endbyte;                 /* inclusive */
-        int fput_needed;
         umode_t i_mode;
 
         ret = -EINVAL;
@@ -333,17 +328,17 @@ SYSCALL_DEFINE(sync_file_range)(int fd, loff_t offset, loff_t nbytes,
                 endbyte--;              /* inclusive */
 
         ret = -EBADF;
-        file = fget_light(fd, &fput_needed);
-        if (!file)
+        f = fdget(fd);
+        if (!f.file)
                 goto out;
 
-        i_mode = file->f_path.dentry->d_inode->i_mode;
+        i_mode = f.file->f_path.dentry->d_inode->i_mode;
         ret = -ESPIPE;
         if (!S_ISREG(i_mode) && !S_ISBLK(i_mode) && !S_ISDIR(i_mode) &&
                         !S_ISLNK(i_mode))
                 goto out_put;
 
-        mapping = file->f_mapping;
+        mapping = f.file->f_mapping;
         if (!mapping) {
                 ret = -EINVAL;
                 goto out_put;
@@ -366,7 +361,7 @@ SYSCALL_DEFINE(sync_file_range)(int fd, loff_t offset, loff_t nbytes,
                 ret = filemap_fdatawait_range(mapping, offset, endbyte);
 
 out_put:
-        fput_light(file, fput_needed);
+        fdput(f);
 out:
         return ret;
 }