diff options
Diffstat (limited to 'fs/namei.c')
-rw-r--r-- | fs/namei.c | 78 |
1 files changed, 30 insertions, 48 deletions
@@ -525,6 +525,22 @@ static inline int __do_follow_link(struct path *path, struct nameidata *nd) return error; } +static inline void dput_path(struct path *path, struct nameidata *nd) +{ + dput(path->dentry); + if (path->mnt != nd->mnt) + mntput(path->mnt); +} + +static inline void path_to_nameidata(struct path *path, struct nameidata *nd) +{ + dput(nd->dentry); + if (nd->mnt != path->mnt) + mntput(nd->mnt); + nd->mnt = path->mnt; + nd->dentry = path->dentry; +} + /* * This limits recursive symlink follows to 8, while * limiting consecutive symlinks to 40. @@ -552,9 +568,7 @@ static inline int do_follow_link(struct path *path, struct nameidata *nd) nd->depth--; return err; loop: - dput(path->dentry); - if (path->mnt != nd->mnt) - mntput(path->mnt); + dput_path(path, nd); path_release(nd); return err; } @@ -813,13 +827,8 @@ static fastcall int __link_path_walk(const char * name, struct nameidata *nd) err = -ENOTDIR; if (!inode->i_op) break; - } else { - dput(nd->dentry); - if (nd->mnt != next.mnt) - mntput(nd->mnt); - nd->mnt = next.mnt; - nd->dentry = next.dentry; - } + } else + path_to_nameidata(&next, nd); err = -ENOTDIR; if (!inode->i_op->lookup) break; @@ -859,13 +868,8 @@ last_component: if (err) goto return_err; inode = nd->dentry->d_inode; - } else { - dput(nd->dentry); - if (nd->mnt != next.mnt) - mntput(nd->mnt); - nd->mnt = next.mnt; - nd->dentry = next.dentry; - } + } else + path_to_nameidata(&next, nd); err = -ENOENT; if (!inode) break; @@ -901,9 +905,7 @@ return_reval: return_base: return 0; out_dput: - dput(next.dentry); - if (nd->mnt != next.mnt) - mntput(next.mnt); + dput_path(&next, nd); break; } path_release(nd); @@ -1314,10 +1316,8 @@ int vfs_create(struct inode *dir, struct dentry *dentry, int mode, return error; DQUOT_INIT(dir); error = dir->i_op->create(dir, dentry, mode, nd); - if (!error) { + if (!error) fsnotify_create(dir, dentry->d_name.name); - security_inode_post_create(dir, dentry, mode); - } return error; } @@ -1507,11 +1507,7 @@ do_last: if (path.dentry->d_inode->i_op && path.dentry->d_inode->i_op->follow_link) goto do_link; - dput(nd->dentry); - nd->dentry = path.dentry; - if (nd->mnt != path.mnt) - mntput(nd->mnt); - nd->mnt = path.mnt; + path_to_nameidata(&path, nd); error = -EISDIR; if (path.dentry->d_inode && S_ISDIR(path.dentry->d_inode->i_mode)) goto exit; @@ -1522,9 +1518,7 @@ ok: return 0; exit_dput: - dput(path.dentry); - if (nd->mnt != path.mnt) - mntput(path.mnt); + dput_path(&path, nd); exit: path_release(nd); return error; @@ -1639,10 +1633,8 @@ int vfs_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev) DQUOT_INIT(dir); error = dir->i_op->mknod(dir, dentry, mode, dev); - if (!error) { + if (!error) fsnotify_create(dir, dentry->d_name.name); - security_inode_post_mknod(dir, dentry, mode, dev); - } return error; } @@ -1712,10 +1704,8 @@ int vfs_mkdir(struct inode *dir, struct dentry *dentry, int mode) DQUOT_INIT(dir); error = dir->i_op->mkdir(dir, dentry, mode); - if (!error) { + if (!error) fsnotify_mkdir(dir, dentry->d_name.name); - security_inode_post_mkdir(dir,dentry, mode); - } return error; } @@ -1951,10 +1941,8 @@ int vfs_symlink(struct inode *dir, struct dentry *dentry, const char *oldname, i DQUOT_INIT(dir); error = dir->i_op->symlink(dir, dentry, oldname); - if (!error) { + if (!error) fsnotify_create(dir, dentry->d_name.name); - security_inode_post_symlink(dir, dentry, oldname); - } return error; } @@ -2024,10 +2012,8 @@ int vfs_link(struct dentry *old_dentry, struct inode *dir, struct dentry *new_de DQUOT_INIT(dir); error = dir->i_op->link(old_dentry, dir, new_dentry); up(&old_dentry->d_inode->i_sem); - if (!error) { + if (!error) fsnotify_create(dir, new_dentry->d_name.name); - security_inode_post_link(old_dentry, dir, new_dentry); - } return error; } @@ -2146,11 +2132,8 @@ static int vfs_rename_dir(struct inode *old_dir, struct dentry *old_dentry, d_rehash(new_dentry); dput(new_dentry); } - if (!error) { + if (!error) d_move(old_dentry,new_dentry); - security_inode_post_rename(old_dir, old_dentry, - new_dir, new_dentry); - } return error; } @@ -2176,7 +2159,6 @@ static int vfs_rename_other(struct inode *old_dir, struct dentry *old_dentry, /* The following d_move() should become unconditional */ if (!(old_dir->i_sb->s_type->fs_flags & FS_ODD_RENAME)) d_move(old_dentry, new_dentry); - security_inode_post_rename(old_dir, old_dentry, new_dir, new_dentry); } if (target) up(&target->i_sem); |