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Searched refs:upperdir (Results 1 – 9 of 9) sorted by relevance

/linux-6.15/fs/overlayfs/
H A Ddir.c301 struct inode *udir = upperdir->d_inode; in ovl_create_upper()
308 upperdir, dentry->d_name.len), in ovl_create_upper()
341 struct inode *udir = upperdir->d_inode; in ovl_clear_empty()
351 err = ovl_lock_rename_workdir(workdir, upperdir); in ovl_clear_empty()
393 unlock_rename(workdir, upperdir); in ovl_clear_empty()
404 unlock_rename(workdir, upperdir); in ovl_clear_empty()
425 struct inode *udir = upperdir->d_inode; in ovl_create_over_whiteout()
442 err = ovl_lock_rename_workdir(workdir, upperdir); in ovl_create_over_whiteout()
514 unlock_rename(workdir, upperdir); in ovl_create_over_whiteout()
787 unlock_rename(workdir, upperdir); in ovl_remove_and_whiteout()
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H A Dparams.c352 swap(config->upperdir, *pname); in ovl_add_layer()
837 kfree(ofs->config.upperdir); in ovl_free_fs()
850 if (!config->upperdir) { in ovl_fs_params_verify()
864 if (!config->upperdir && config->ovl_volatile) { in ovl_fs_params_verify()
869 if (!config->upperdir && config->uuid == OVL_UUID_ON) { in ovl_fs_params_verify()
890 if (!config->upperdir && config->redirect_mode == OVL_REDIRECT_FOLLOW) in ovl_fs_params_verify()
921 if (!config->upperdir && in ovl_fs_params_verify()
1071 if (ofs->config.upperdir) { in ovl_show_options()
1072 seq_show_option(m, "upperdir", ofs->config.upperdir); in ovl_show_options()
H A Dsuper.c416 (ofs->config.index && ofs->config.upperdir)) && !fh_type) { in ovl_lower_dir()
428 ofs->config.upperdir && !fh_type) { in ovl_lower_dir()
442 static bool ovl_workdir_ok(struct dentry *workdir, struct dentry *upperdir) in ovl_workdir_ok() argument
446 if (workdir != upperdir) { in ovl_workdir_ok()
447 struct dentry *trap = lock_rename(workdir, upperdir); in ovl_workdir_ok()
449 unlock_rename(workdir, upperdir); in ovl_workdir_ok()
506 err = ovl_check_namelen(upperpath, ofs, ofs->config.upperdir); in ovl_get_upper()
1136 if (!ofs->config.upperdir && ctx->nr == 1) { in ovl_get_lowerstack()
1383 if (ofs->config.upperdir) { in ovl_fill_super()
H A Dovl_entry.h9 char *upperdir; member
H A Dcopy_up.c600 struct dentry *upperdir = ovl_dentry_upper(c->parent); in ovl_link_up() local
602 struct inode *udir = d_inode(upperdir); in ovl_link_up()
607 err = ovl_set_impure(c->parent, upperdir); in ovl_link_up()
616 upper = ovl_lookup_upper(ofs, c->dentry->d_name.name, upperdir, in ovl_link_up()
624 ovl_set_timestamps(ofs, upperdir, &c->pstat); in ovl_link_up()
H A Dutil.c1220 int ovl_lock_rename_workdir(struct dentry *workdir, struct dentry *upperdir) in ovl_lock_rename_workdir() argument
1225 if (workdir == upperdir) in ovl_lock_rename_workdir()
1229 trap = lock_rename(workdir, upperdir); in ovl_lock_rename_workdir()
1238 unlock_rename(workdir, upperdir); in ovl_lock_rename_workdir()
H A Dnamei.c1036 struct dentry *upperdir, *upperdentry = NULL; in ovl_lookup() local
1063 upperdir = ovl_dentry_upper(dentry->d_parent); in ovl_lookup()
1064 if (upperdir) { in ovl_lookup()
1066 err = ovl_lookup_layer(upperdir, &d, &upperdentry, true); in ovl_lookup()
H A Doverlayfs.h536 int ovl_lock_rename_workdir(struct dentry *workdir, struct dentry *upperdir);
/linux-6.15/Documentation/filesystems/
H A Doverlayfs.rst121 "upperdir" are combined into a merged directory::
123 mount -t overlay overlay -olowerdir=/lower,upperdir=/upper,\
127 as upperdir.
339 mount -t overlay overlay -olowerdir=/lower,upperdir=/upper,... /merged
358 As the example shows, "upperdir=" and "workdir=" may be omitted. In
409 [*] redirect_dir=follow only conflicts with metacopy=on if upperdir=... is
462 "datadir+", "lowerdir+", "upperdir", and "workdir+" mount options with the
471 fsconfig(fs_fd, FSCONFIG_SET_FD, "upperdir", NULL, fd_upper);
792 VFS. If any writeback error occurs on the upperdir's filesystem after a
795 call will return an error, even if the upperdir has not experience a new error
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