diff options
author | Richard Yao <[email protected]> | 2013-03-11 22:02:45 -0400 |
---|---|---|
committer | Brian Behlendorf <[email protected]> | 2013-03-14 10:43:31 -0700 |
commit | 8274ed598801255626b8c1648c3a4cdfea07b738 (patch) | |
tree | 3b26241295af554c650c17f312407024f5a0bf6a /module/spl/spl-vnode.c | |
parent | a54718cfe0d8e8a4b124f176f0d5c94141f9aea0 (diff) |
Drop support for 3 argument version of set_fs_pwd
This was a suggestion that Brian Behlendorf made when reviewing an early
pull request for Linux 3.9 support. This commit was made intentionally
easy to revert should we ever have a reason to reintroduce support for
older kernels.
Signed-off-by: Richard Yao <[email protected]>
Signed-off-by: Brian Behlendorf <[email protected]>
Diffstat (limited to 'module/spl/spl-vnode.c')
-rw-r--r-- | module/spl/spl-vnode.c | 43 |
1 files changed, 2 insertions, 41 deletions
diff --git a/module/spl/spl-vnode.c b/module/spl/spl-vnode.c index dac452c10..4f56f1039 100644 --- a/module/spl/spl-vnode.c +++ b/module/spl/spl-vnode.c @@ -837,8 +837,6 @@ vn_releasef(int fd) EXPORT_SYMBOL(releasef); #ifndef HAVE_SET_FS_PWD -# ifdef HAVE_2ARGS_SET_FS_PWD -/* Used from 2.6.25 - 2.6.31+ */ void # ifdef HAVE_SET_FS_PWD_WITH_CONST set_fs_pwd(struct fs_struct *fs, const struct path *path) @@ -865,37 +863,16 @@ set_fs_pwd(struct fs_struct *fs, struct path *path) if (old_pwd.dentry) path_put(&old_pwd); } -# else -/* Used from 2.6.11 - 2.6.24 */ -void -set_fs_pwd(struct fs_struct *fs, struct vfsmount *mnt, struct dentry *dentry) -{ - struct dentry *old_pwd; - struct vfsmount *old_pwdmnt; - - write_lock(&fs->lock); - old_pwd = fs->pwd; - old_pwdmnt = fs->pwdmnt; - fs->pwdmnt = mntget(mnt); - fs->pwd = dget(dentry); - write_unlock(&fs->lock); - - if (old_pwd) { - dput(old_pwd); - mntput(old_pwdmnt); - } -} -# endif /* HAVE_2ARGS_SET_FS_PWD */ #endif /* HAVE_SET_FS_PWD */ int vn_set_pwd(const char *filename) { -#if defined(HAVE_2ARGS_SET_FS_PWD) && defined(HAVE_USER_PATH_DIR) +#ifdef HAVE_USER_PATH_DIR struct path path; #else struct nameidata nd; -#endif /* HAVE_2ARGS_SET_FS_PWD */ +#endif /* HAVE_USER_PATH_DIR */ mm_segment_t saved_fs; int rc; SENTRY; @@ -908,7 +885,6 @@ vn_set_pwd(const char *filename) saved_fs = get_fs(); set_fs(get_ds()); -#ifdef HAVE_2ARGS_SET_FS_PWD # ifdef HAVE_USER_PATH_DIR rc = user_path_dir(filename, &path); if (rc) @@ -937,21 +913,6 @@ dput_and_out: dput_and_out: path_put(&nd.path); # endif /* HAVE_USER_PATH_DIR */ -#else - rc = __user_walk(filename, - LOOKUP_FOLLOW|LOOKUP_DIRECTORY|LOOKUP_CHDIR, &nd); - if (rc) - SGOTO(out, rc); - - rc = vfs_permission(&nd, MAY_EXEC); - if (rc) - SGOTO(dput_and_out, rc); - - set_fs_pwd(current->fs, nd.nd_mnt, nd.nd_dentry); - -dput_and_out: - vn_path_release(&nd); -#endif /* HAVE_2ARGS_SET_FS_PWD */ out: set_fs(saved_fs); |