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[patch 1/4] vfs: path_{get,put}() cleanups

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Here are some more places where path_{get,put}() can be used instead of
dput()/mntput() pair.

Signed-off-by: Jan Blunck <[email protected]>
Cc: Al Viro <[email protected]>
Cc: Jens Axboe <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Al Viro <[email protected]>
This commit is contained in:
Jan Blunck 2008-06-09 16:40:35 -07:00 • committed by Al Viro
commit c8e7f449b2
2 changed files with 9 additions and 12 deletions
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10
fs/pipe.c
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@ -1003,8 +1003,7 @@ struct file *create_write_pipe(void)
void free_write_pipe(struct file *f)
{
free_pipe_info(f->f_dentry->d_inode);
dput(f->f_path.dentry);
mntput(f->f_path.mnt);
path_put(&f->f_path);
put_filp(f);
}
@ -1015,8 +1014,8 @@ struct file *create_read_pipe(struct file *wrf)
return ERR_PTR(-ENFILE);
/* Grab pipe from the writer */
f->f_path.mnt = mntget(wrf->f_path.mnt);
f->f_path.dentry = dget(wrf->f_path.dentry);
f->f_path = wrf->f_path;
path_get(&wrf->f_path);
f->f_mapping = wrf->f_path.dentry->d_inode->i_mapping;
f->f_pos = 0;
@ -1068,8 +1067,7 @@ int do_pipe(int *fd)
err_fdr:
put_unused_fd(fdr);
err_read_pipe:
dput(fr->f_dentry);
mntput(fr->f_vfsmnt);
path_put(&fr->f_path);
put_filp(fr);
err_write_pipe:
free_write_pipe(fw);