diff options
28 files changed, 129847 insertions, 32 deletions
diff --git a/mk/modules.mk b/mk/modules.mk index eaa8bb632..e88a90783 100644 --- a/mk/modules.mk +++ b/mk/modules.mk @@ -361,7 +361,7 @@ $(eval $(call KMOD_template,NETFILTER_XT_TARGET_CLASSIFY,netfiler-xt-target-clas $(MODULES_DIR)/kernel/net/netfilter/xt_CLASSIFY \ ,50)) -ifeq ($(KERNEL_VERSION),2.6.35) +ifeq ($(KERNEL_VERSION),2.6.35.4) CONNMARK:=xt_connmark MARK:=xt_mark else @@ -1225,7 +1225,7 @@ $(eval $(call KMOD_template,USB_HSO,usb-hso,\ $(MODULES_DIR)/kernel/drivers/net/usb/hso \ ,75)) -ifeq ($(KERNEL_VERSION),2.6.35) +ifeq ($(KERNEL_VERSION),2.6.35.4) SNDUSB:=snd-usbmidi-lib else SNDUSB:=snd-usb-lib diff --git a/package/ipset/Makefile b/package/ipset/Makefile index 650b42b73..ff8a0399b 100644 --- a/package/ipset/Makefile +++ b/package/ipset/Makefile @@ -4,9 +4,9 @@ include ${TOPDIR}/rules.mk PKG_NAME:= ipset -PKG_VERSION:= 3.0 -PKG_RELEASE:= 2 -PKG_MD5SUM:= 92bb09883dd8a77ec5cfbff1c8932b15 +PKG_VERSION:= 4.1 +PKG_RELEASE:= 1 +PKG_MD5SUM:= d104007fdf5ea64fef774c22b1c0a97b PKG_DESCR:= ip sets administration utility PKG_SECTION:= firewall PKG_URL:= http://ipset.netfilter.org/ diff --git a/package/ipset/patches/patch-Makefile b/package/ipset/patches/patch-Makefile deleted file mode 100644 index 9eaf33095..000000000 --- a/package/ipset/patches/patch-Makefile +++ /dev/null @@ -1,11 +0,0 @@ ---- ipset-3.0.orig/Makefile 2009-05-16 21:09:38.000000000 +0200 -+++ ipset-3.0/Makefile 2009-11-19 23:32:37.000000000 +0100 -@@ -5,7 +5,7 @@ - ###################################################################### - - ifndef KERNEL_DIR --KERNEL_DIR=/usr/src/linux -+KERNEL_DIR?=/usr/src/linux - endif - ifndef KBUILD_OUTPUT - KBUILD_OUTPUT=$(KERNEL_DIR) diff --git a/package/ipset/patches/patch-kernel_ipt_SET_c b/package/ipset/patches/patch-kernel_ipt_SET_c new file mode 100644 index 000000000..22c1aff14 --- /dev/null +++ b/package/ipset/patches/patch-kernel_ipt_SET_c @@ -0,0 +1,30 @@ +--- ipset-4.1.orig/kernel/ipt_SET.c 2009-11-10 21:45:41.000000000 +0100 ++++ ipset-4.1/kernel/ipt_SET.c 2010-08-29 14:45:51.863658421 +0200 +@@ -64,9 +64,12 @@ target(struct sk_buff *skb, + unsigned int hooknum, + const struct xt_target *target, + const void *targinfo) +-#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28) */ ++#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,35) + target(struct sk_buff *skb, + const struct xt_target_param *par) ++#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35) */ ++target(struct sk_buff *skb, ++ const struct xt_action_param *par) + #endif + { + #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28) +@@ -127,9 +130,12 @@ checkentry(const char *tablename, + const struct xt_target *target, + void *targinfo, + unsigned int hook_mask) +-#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28) */ ++#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,35) + static bool + checkentry(const struct xt_tgchk_param *par) ++#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35) */ ++static int ++checkentry(const struct xt_tgchk_param *par) + #endif + { + #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28) diff --git a/package/ipset/patches/patch-kernel_ipt_set_c b/package/ipset/patches/patch-kernel_ipt_set_c new file mode 100644 index 000000000..50f81919a --- /dev/null +++ b/package/ipset/patches/patch-kernel_ipt_set_c @@ -0,0 +1,32 @@ +--- ipset-4.1.orig/kernel/ipt_set.c 2009-11-10 21:45:41.000000000 +0100 ++++ ipset-4.1/kernel/ipt_set.c 2010-08-29 14:45:51.832408251 +0200 +@@ -83,10 +83,14 @@ match(const struct sk_buff *skb, + int offset, + unsigned int protoff, + bool *hotdrop) +-#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28) */ ++#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,35) + static bool + match(const struct sk_buff *skb, + const struct xt_match_param *par) ++#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35) */ ++static bool ++match(const struct sk_buff *skb, ++ struct xt_action_param *par) + #endif + { + #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28) +@@ -136,9 +140,12 @@ checkentry(const char *tablename, + const struct xt_match *match, + void *matchinfo, + unsigned int hook_mask) +-#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28) */ ++#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,35) + static bool + checkentry(const struct xt_mtchk_param *par) ++#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35) */ ++static int ++checkentry(const struct xt_mtchk_param *par) + #endif + { + #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28) diff --git a/package/lvm/Makefile b/package/lvm/Makefile index 0aca2c6c9..3ebf13f4c 100644 --- a/package/lvm/Makefile +++ b/package/lvm/Makefile @@ -4,9 +4,9 @@ include ${TOPDIR}/rules.mk PKG_NAME:= lvm -PKG_VERSION:= 2.02.72 +PKG_VERSION:= 2.02.73 PKG_RELEASE:= 1 -PKG_MD5SUM:= a7d0d1235a589869bd13cde0f0d7375d +PKG_MD5SUM:= ef975c33e224b3a2c057313d29718d91 PKG_DESCR:= logical volume management PKG_SECTION:= fs PKG_DEPENDS:= libdevmapper libncurses diff --git a/package/ppp/patches/patch-include_linux_if_pppol2tp_h b/package/ppp/patches/patch-include_linux_if_pppol2tp_h new file mode 100644 index 000000000..3f8c404da --- /dev/null +++ b/package/ppp/patches/patch-include_linux_if_pppol2tp_h @@ -0,0 +1,23 @@ +--- ppp-2.4.5.orig/include/linux/if_pppol2tp.h 2009-11-16 23:26:07.000000000 +0100 ++++ ppp-2.4.5/include/linux/if_pppol2tp.h 2010-08-29 19:36:29.823658423 +0200 +@@ -32,6 +32,20 @@ struct pppol2tp_addr + __u16 d_tunnel, d_session; /* For sending outgoing packets */ + }; + ++/* The L2TPv3 protocol changes tunnel and session ids from 16 to 32 ++ * bits. So we need a different sockaddr structure. ++ */ ++struct pppol2tpv3_addr { ++ pid_t pid; /* pid that owns the fd. ++ * 0 => current */ ++ int fd; /* FD of UDP or IP socket to use */ ++ ++ struct sockaddr_in addr; /* IP address and port to send to */ ++ ++ __u32 s_tunnel, s_session; /* For matching incoming packets */ ++ __u32 d_tunnel, d_session; /* For sending outgoing packets */ ++}; ++ + /* Socket options: + * DEBUG - bitmask of debug message categories + * SENDSEQ - 0 => don't send packets with sequence numbers diff --git a/target/lemote/target.mk b/target/lemote/target.mk index ec5ab8a5d..85cade436 100644 --- a/target/lemote/target.mk +++ b/target/lemote/target.mk @@ -1,7 +1,7 @@ ARCH:= mips CPU_ARCH:= mips64el -KERNEL_VERSION:= 2.6.35 +KERNEL_VERSION:= 2.6.35.4 KERNEL_RELEASE:= 1 -KERNEL_MD5SUM:= 091abeb4684ce03d1d936851618687b6 +KERNEL_MD5SUM:= 0bb2cd59c13d7412f813c8fbc0769eec TARGET_OPTIMIZATION:= -Os -pipe TARGET_CFLAGS_ARCH:= -march=loongson2f -mabi=64 diff --git a/target/linux/patches/2.6.35.4/aufs2.patch b/target/linux/patches/2.6.35.4/aufs2.patch new file mode 100644 index 000000000..aa006f989 --- /dev/null +++ b/target/linux/patches/2.6.35.4/aufs2.patch @@ -0,0 +1,24455 @@ +diff -Nur linux-2.6.35.orig/Documentation/ABI/testing/debugfs-aufs linux-2.6.35/Documentation/ABI/testing/debugfs-aufs +--- linux-2.6.35.orig/Documentation/ABI/testing/debugfs-aufs 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.35/Documentation/ABI/testing/debugfs-aufs 2010-08-06 01:26:44.873620651 +0200 +@@ -0,0 +1,40 @@ ++What: /debug/aufs/si_<id>/ ++Date: March 2009 ++Contact: J. R. Okajima <hooanon05@yahoo.co.jp> ++Description: ++ Under /debug/aufs, a directory named si_<id> is created ++ per aufs mount, where <id> is a unique id generated ++ internally. ++ ++What: /debug/aufs/si_<id>/xib ++Date: March 2009 ++Contact: J. R. Okajima <hooanon05@yahoo.co.jp> ++Description: ++ It shows the consumed blocks by xib (External Inode Number ++ Bitmap), its block size and file size. ++ When the aufs mount option 'noxino' is specified, it ++ will be empty. About XINO files, see ++ Documentation/filesystems/aufs/aufs.5 in detail. ++ ++What: /debug/aufs/si_<id>/xino0, xino1 ... xinoN ++Date: March 2009 ++Contact: J. R. Okajima <hooanon05@yahoo.co.jp> ++Description: ++ It shows the consumed blocks by xino (External Inode Number ++ Translation Table), its link count, block size and file ++ size. ++ When the aufs mount option 'noxino' is specified, it ++ will be empty. About XINO files, see ++ Documentation/filesystems/aufs/aufs.5 in detail. ++ ++What: /debug/aufs/si_<id>/xigen ++Date: March 2009 ++Contact: J. R. Okajima <hooanon05@yahoo.co.jp> ++Description: ++ It shows the consumed blocks by xigen (External Inode ++ Generation Table), its block size and file size. ++ If CONFIG_AUFS_EXPORT is disabled, this entry will not ++ be created. ++ When the aufs mount option 'noxino' is specified, it ++ will be empty. About XINO files, see ++ Documentation/filesystems/aufs/aufs.5 in detail. +diff -Nur linux-2.6.35.orig/Documentation/ABI/testing/sysfs-aufs linux-2.6.35/Documentation/ABI/testing/sysfs-aufs +--- linux-2.6.35.orig/Documentation/ABI/testing/sysfs-aufs 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.35/Documentation/ABI/testing/sysfs-aufs 2010-08-06 01:26:45.153617765 +0200 +@@ -0,0 +1,25 @@ ++What: /sys/fs/aufs/si_<id>/ ++Date: March 2009 ++Contact: J. R. Okajima <hooanon05@yahoo.co.jp> ++Description: ++ Under /sys/fs/aufs, a directory named si_<id> is created ++ per aufs mount, where <id> is a unique id generated ++ internally. ++ ++What: /sys/fs/aufs/si_<id>/br0, br1 ... brN ++Date: March 2009 ++Contact: J. R. Okajima <hooanon05@yahoo.co.jp> ++Description: ++ It shows the abolute path of a member directory (which ++ is called branch) in aufs, and its permission. ++ ++What: /sys/fs/aufs/si_<id>/xi_path ++Date: March 2009 ++Contact: J. R. Okajima <hooanon05@yahoo.co.jp> ++Description: ++ It shows the abolute path of XINO (External Inode Number ++ Bitmap, Translation Table and Generation Table) file ++ even if it is the default path. ++ When the aufs mount option 'noxino' is specified, it ++ will be empty. About XINO files, see ++ Documentation/filesystems/aufs/aufs.5 in detail. +diff -Nur linux-2.6.35.orig/fs/aufs/aufs.h linux-2.6.35/fs/aufs/aufs.h +--- linux-2.6.35.orig/fs/aufs/aufs.h 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.35/fs/aufs/aufs.h 2010-08-06 01:26:45.313617686 +0200 +@@ -0,0 +1,51 @@ ++/* ++ * Copyright (C) 2005-2009 Junjiro R. Okajima ++ * ++ * This program, aufs is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License as published by ++ * the Free Software Foundation; either version 2 of the License, or ++ * (at your option) any later version. ++ * ++ * This program is distributed in the hope that it will be useful, ++ * but WITHOUT ANY WARRANTY; without even the implied warranty of ++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ++ * GNU General Public License for more details. ++ * ++ * You should have received a copy of the GNU General Public License ++ * along with this program; if not, write to the Free Software ++ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA ++ */ ++ ++/* ++ * all header files ++ */ ++ ++#ifndef __AUFS_H__ ++#define __AUFS_H__ ++ ++#ifdef __KERNEL__ ++ ++#include "debug.h" ++ ++#include "branch.h" ++#include "cpup.h" ++#include "dcsub.h" ++#include "dbgaufs.h" ++#include "dentry.h" ++#include "dir.h" ++#include "file.h" ++#include "fstype.h" ++#include "inode.h" ++#include "loop.h" ++#include "module.h" ++#include "opts.h" ++#include "rwsem.h" ++#include "spl.h" ++#include "super.h" ++#include "sysaufs.h" ++#include "vfsub.h" ++#include "whout.h" ++#include "wkq.h" ++ ++#endif /* __KERNEL__ */ ++#endif /* __AUFS_H__ */ +diff -Nur linux-2.6.35.orig/fs/aufs/branch.c linux-2.6.35/fs/aufs/branch.c +--- linux-2.6.35.orig/fs/aufs/branch.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.35/fs/aufs/branch.c 2010-08-06 01:26:45.423622041 +0200 +@@ -0,0 +1,974 @@ ++/* ++ * Copyright (C) 2005-2009 Junjiro R. Okajima ++ * ++ * This program, aufs is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License as published by ++ * the Free Software Foundation; either version 2 of the License, or ++ * (at your option) any later version. ++ * ++ * This program is distributed in the hope that it will be useful, ++ * but WITHOUT ANY WARRANTY; without even the implied warranty of ++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ++ * GNU General Public License for more details. ++ * ++ * You should have received a copy of the GNU General Public License ++ * along with this program; if not, write to the Free Software ++ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA ++ */ ++ ++/* ++ * branch management ++ */ ++ ++#include <linux/file.h> ++#include "aufs.h" ++ ++/* ++ * free a single branch ++ */ ++static void au_br_do_free(struct au_branch *br) ++{ ++ int i; ++ struct au_wbr *wbr; ++ ++ if (br->br_xino.xi_file) ++ fput(br->br_xino.xi_file); ++ mutex_destroy(&br->br_xino.xi_nondir_mtx); ++ ++ AuDebugOn(atomic_read(&br->br_count)); ++ ++ wbr = br->br_wbr; ++ if (wbr) { ++ for (i = 0; i < AuBrWh_Last; i++) ++ dput(wbr->wbr_wh[i]); ++ AuDebugOn(atomic_read(&wbr->wbr_wh_running)); ++ AuRwDestroy(&wbr->wbr_wh_rwsem); ++ } ++ ++ /* some filesystems acquire extra lock */ ++ lockdep_off(); ++ mntput(br->br_mnt); ++ lockdep_on(); ++ ++ kfree(wbr); ++ kfree(br); ++} ++ ++/* ++ * frees all branches ++ */ ++void au_br_free(struct au_sbinfo *sbinfo) ++{ ++ aufs_bindex_t bmax; ++ struct au_branch **br; ++ ++ AuRwMustWriteLock(&sbinfo->si_rwsem); ++ ++ bmax = sbinfo->si_bend + 1; ++ br = sbinfo->si_branch; ++ while (bmax--) ++ au_br_do_free(*br++); ++} ++ ++/* ++ * find the index of a branch which is specified by @br_id. ++ */ ++int au_br_index(struct super_block *sb, aufs_bindex_t br_id) ++{ ++ aufs_bindex_t bindex, bend; ++ ++ bend = au_sbend(sb); ++ for (bindex = 0; bindex <= bend; bindex++) ++ if (au_sbr_id(sb, bindex) == br_id) ++ return bindex; ++ return -1; ++} ++ ++/* ---------------------------------------------------------------------- */ ++ ++/* ++ * add a branch ++ */ ++ ++static int test_overlap(struct super_block *sb, struct dentry *h_d1, ++ struct dentry *h_d2) ++{ ++ if (unlikely(h_d1 == h_d2)) ++ return 1; ++ return !!au_test_subdir(h_d1, h_d2) ++ || !!au_test_subdir(h_d2, h_d1) ++ || au_test_loopback_overlap(sb, h_d1, h_d2) ++ || au_test_loopback_overlap(sb, h_d2, h_d1); ++} ++ ++/* ++ * returns a newly allocated branch. @new_nbranch is a number of branches ++ * after adding a branch. ++ */ ++static struct au_branch *au_br_alloc(struct super_block *sb, int new_nbranch, ++ int perm) ++{ ++ struct au_branch *add_branch; ++ struct dentry *root; ++ ++ root = sb->s_root; ++ add_branch = kmalloc(sizeof(*add_branch), GFP_NOFS); ++ if (unlikely(!add_branch)) ++ goto out; ++ ++ add_branch->br_wbr = NULL; ++ if (au_br_writable(perm)) { ++ /* may be freed separately at changing the branch permission */ ++ add_branch->br_wbr = kmalloc(sizeof(*add_branch->br_wbr), ++ GFP_NOFS); ++ if (unlikely(!add_branch->br_wbr)) ++ goto out_br; ++ } ++ ++ if (unlikely(au_sbr_realloc(au_sbi(sb), new_nbranch) ++ || au_di_realloc(au_di(root), new_nbranch) ++ || au_ii_realloc(au_ii(root->d_inode), new_nbranch))) ++ goto out_wbr; ++ return add_branch; /* success */ ++ ++ out_wbr: ++ kfree(add_branch->br_wbr); ++ out_br: ++ kfree(add_branch); ++ out: ++ return ERR_PTR(-ENOMEM); ++} ++ ++/* ++ * test if the branch permission is legal or not. ++ */ ++static int test_br(struct inode *inode, int brperm, char *path) ++{ ++ int err; ++ ++ err = 0; ++ if (unlikely(au_br_writable(brperm) && IS_RDONLY(inode))) { ++ AuErr("write permission for readonly mount or inode, %s\n", ++ path); ++ err = -EINVAL; ++ } ++ ++ return err; ++} ++ ++/* ++ * returns: ++ * 0: success, the caller will add it ++ * plus: success, it is already unified, the caller should ignore it ++ * minus: error ++ */ ++static int test_add(struct super_block *sb, struct au_opt_add *add, int remount) ++{ ++ int err; ++ aufs_bindex_t bend, bindex; ++ struct dentry *root; ++ struct inode *inode, *h_inode; ++ ++ root = sb->s_root; ++ bend = au_sbend(sb); ++ if (unlikely(bend >= 0 ++ && au_find_dbindex(root, add->path.dentry) >= 0)) { ++ err = 1; ++ if (!remount) { ++ err = -EINVAL; ++ AuErr("%s duplicated\n", add->pathname); ++ } ++ goto out; ++ } ++ ++ err = -ENOSPC; /* -E2BIG; */ ++ if (unlikely(AUFS_BRANCH_MAX <= add->bindex ++ || AUFS_BRANCH_MAX - 1 <= bend)) { ++ AuErr("number of branches exceeded %s\n", add->pathname); ++ goto out; ++ } ++ ++ err = -EDOM; ++ if (unlikely(add->bindex < 0 || bend + 1 < add->bindex)) { ++ AuErr("bad index %d\n", add->bindex); ++ goto out; ++ } ++ ++ inode = add->path.dentry->d_inode; ++ err = -ENOENT; ++ if (unlikely(!inode->i_nlink)) { ++ AuErr("no existence %s\n", add->pathname); ++ goto out; ++ } ++ ++ err = -EINVAL; ++ if (unlikely(inode->i_sb == sb)) { ++ AuErr("%s must be outside\n", add->pathname); ++ goto out; ++ } ++ ++ if (unlikely(au_test_fs_unsuppoted(inode->i_sb))) { ++ AuErr("unsupported filesystem, %s (%s)\n", ++ add->pathname, au_sbtype(inode->i_sb)); ++ goto out; ++ } ++ ++ err = test_br(add->path.dentry->d_inode, add->perm, add->pathname); ++ if (unlikely(err)) ++ goto out; ++ ++ if (bend < 0) ++ return 0; /* success */ ++ ++ err = -EINVAL; ++ for (bindex = 0; bindex <= bend; bindex++) ++ if (unlikely(test_overlap(sb, add->path.dentry, ++ au_h_dptr(root, bindex)))) { ++ AuErr("%s is overlapped\n", add->pathname); ++ goto out; ++ } ++ ++ err = 0; ++ if (au_opt_test(au_mntflags(sb), WARN_PERM)) { ++ h_inode = au_h_dptr(root, 0)->d_inode; ++ if ((h_inode->i_mode & S_IALLUGO) != (inode->i_mode & S_IALLUGO) ++ || h_inode->i_uid != inode->i_uid ++ || h_inode->i_gid != inode->i_gid) ++ AuWarn("uid/gid/perm %s %u/%u/0%o, %u/%u/0%o\n", ++ add->pathname, ++ inode->i_uid, inode->i_gid, ++ (inode->i_mode & S_IALLUGO), ++ h_inode->i_uid, h_inode->i_gid, ++ (h_inode->i_mode & S_IALLUGO)); ++ } ++ ++ out: ++ return err; ++} ++ ++/* ++ * initialize or clean the whiteouts for an adding branch ++ */ ++static int au_br_init_wh(struct super_block *sb, struct au_branch *br, ++ int new_perm, struct dentry *h_root) ++{ ++ int err, old_perm; ++ aufs_bindex_t bindex; ++ struct mutex *h_mtx; ++ struct au_wbr *wbr; ++ struct au_hinode *hdir; ++ ++ wbr = br->br_wbr; ++ old_perm = br->br_perm; ++ br->br_perm = new_perm; ++ hdir = NULL; ++ h_mtx = NULL; ++ bindex = au_br_index(sb, br->br_id); ++ if (0 <= bindex) { ++ hdir = au_hi(sb->s_root->d_inode, bindex); ++ au_hin_imtx_lock_nested(hdir, AuLsc_I_PARENT); ++ } else { ++ h_mtx = &h_root->d_inode->i_mutex; ++ mutex_lock_nested(h_mtx, AuLsc_I_PARENT); ++ } ++ if (!wbr) ++ err = au_wh_init(h_root, br, sb); ++ else { ++ wbr_wh_write_lock(wbr); ++ err = au_wh_init(h_root, br, sb); ++ wbr_wh_write_unlock(wbr); ++ } ++ if (hdir) ++ au_hin_imtx_unlock(hdir); ++ else ++ mutex_unlock(h_mtx); ++ br->br_perm = old_perm; ++ ++ if (!err && wbr && !au_br_writable(new_perm)) { ++ kfree(wbr); ++ br->br_wbr = NULL; ++ } ++ ++ return err; ++} ++ ++static int au_wbr_init(struct au_branch *br, struct super_block *sb, ++ int perm, struct path *path) ++{ ++ int err; ++ struct au_wbr *wbr; ++ ++ wbr = br->br_wbr; ++ au_rw_init(&wbr->wbr_wh_rwsem); ++ memset(wbr->wbr_wh, 0, sizeof(wbr->wbr_wh)); ++ atomic_set(&wbr->wbr_wh_running, 0); ++ wbr->wbr_bytes = 0; ++ ++ err = au_br_init_wh(sb, br, perm, path->dentry); ++ ++ return err; ++} ++ ++/* intialize a new branch */ ++static int au_br_init(struct au_branch *br, struct super_block *sb, ++ struct au_opt_add *add) ++{ ++ int err; ++ ++ err = 0; ++ memset(&br->br_xino, 0, sizeof(br->br_xino)); ++ mutex_init(&br->br_xino.xi_nondir_mtx); ++ br->br_perm = add->perm; ++ br->br_mnt = add->path.mnt; /* set first, mntget() later */ ++ atomic_set(&br->br_count, 0); ++ br->br_xino_upper = AUFS_XINO_TRUNC_INIT; ++ atomic_set(&br->br_xino_running, 0); ++ br->br_id = au_new_br_id(sb); ++ ++ if (au_br_writable(add->perm)) { ++ err = au_wbr_init(br, sb, add->perm, &add->path); ++ if (unlikely(err)) ++ goto out; ++ } ++ ++ if (au_opt_test(au_mntflags(sb), XINO)) { ++ err = au_xino_br(sb, br, add->path.dentry->d_inode->i_ino, ++ au_sbr(sb, 0)->br_xino.xi_file, /*do_test*/1); ++ if (unlikely(err)) { ++ AuDebugOn(br->br_xino.xi_file); ++ goto out; ++ } ++ } ++ ++ sysaufs_br_init(br); ++ mntget(add->path.mnt); ++ ++ out: ++ return err; ++} ++ ++static void au_br_do_add_brp(struct au_sbinfo *sbinfo, aufs_bindex_t bindex, ++ struct au_branch *br, aufs_bindex_t bend, ++ aufs_bindex_t amount) ++{ ++ struct au_branch **brp; ++ ++ AuRwMustWriteLock(&sbinfo->si_rwsem); ++ ++ brp = sbinfo->si_branch + bindex; ++ memmove(brp + 1, brp, sizeof(*brp) * amount); ++ *brp = br; ++ sbinfo->si_bend++; ++ if (unlikely(bend < 0)) ++ sbinfo->si_bend = 0; ++} ++ ++static void au_br_do_add_hdp(struct au_dinfo *dinfo, aufs_bindex_t bindex, ++ aufs_bindex_t bend, aufs_bindex_t amount) ++{ ++ struct au_hdentry *hdp; ++ ++ AuRwMustWriteLock(&dinfo->di_rwsem); ++ ++ hdp = dinfo->di_hdentry + bindex; ++ memmove(hdp + 1, hdp, sizeof(*hdp) * amount); ++ au_h_dentry_init(hdp); ++ dinfo->di_bend++; ++ if (unlikely(bend < 0)) ++ dinfo->di_bstart = 0; ++} ++ ++static void au_br_do_add_hip(struct au_iinfo *iinfo, aufs_bindex_t bindex, ++ aufs_bindex_t bend, aufs_bindex_t amount) ++{ ++ struct au_hinode *hip; ++ ++ AuRwMustWriteLock(&iinfo->ii_rwsem); ++ ++ hip = iinfo->ii_hinode + bindex; ++ memmove(hip + 1, hip, sizeof(*hip) * amount); ++ hip->hi_inode = NULL; ++ au_hin_init(hip, NULL); ++ iinfo->ii_bend++; ++ if (unlikely(bend < 0)) ++ iinfo->ii_bstart = 0; ++} ++ ++static void au_br_do_add(struct super_block *sb, struct dentry *h_dentry, ++ struct au_branch *br, aufs_bindex_t bindex) ++{ ++ struct dentry *root; ++ struct inode *root_inode; ++ aufs_bindex_t bend, amount; ++ ++ root = sb->s_root; ++ root_inode = root->d_inode; ++ au_plink_block_maintain(sb); ++ bend = au_sbend(sb); ++ amount = bend + 1 - bindex; ++ au_br_do_add_brp(au_sbi(sb), bindex, br, bend, amount); ++ au_br_do_add_hdp(au_di(root), bindex, bend, amount); ++ au_br_do_add_hip(au_ii(root_inode), bindex, bend, amount); ++ au_set_h_dptr(root, bindex, dget(h_dentry)); ++ au_set_h_iptr(root_inode, bindex, au_igrab(h_dentry->d_inode), ++ /*flags*/0); ++} ++ ++int au_br_add(struct super_block *sb, struct au_opt_add *add, int remount) ++{ ++ int err; ++ unsigned long long maxb; ++ aufs_bindex_t bend, add_bindex; ++ struct dentry *root, *h_dentry; ++ struct inode *root_inode; ++ struct au_branch *add_branch; ++ ++ root = sb->s_root; ++ root_inode = root->d_inode; ++ IMustLock(root_inode); ++ err = test_add(sb, add, remount); ++ if (unlikely(err < 0)) ++ goto out; ++ if (err) { ++ err = 0; ++ goto out; /* success */ ++ } ++ ++ bend = au_sbend(sb); ++ add_branch = au_br_alloc(sb, bend + 2, add->perm); ++ err = PTR_ERR(add_branch); ++ if (IS_ERR(add_branch)) ++ goto out; ++ ++ err = au_br_init(add_branch, sb, add); ++ if (unlikely(err)) { ++ au_br_do_free(add_branch); ++ goto out; ++ } ++ ++ add_bindex = add->bindex; ++ h_dentry = add->path.dentry; ++ if (!remount) ++ au_br_do_add(sb, h_dentry, add_branch, add_bindex); ++ else { ++ sysaufs_brs_del(sb, add_bindex); ++ au_br_do_add(sb, h_dentry, add_branch, add_bindex); ++ sysaufs_brs_add(sb, add_bindex); ++ } ++ ++ if (!add_bindex) ++ au_cpup_attr_all(root_inode, /*force*/1); ++ else ++ au_add_nlink(root_inode, h_dentry->d_inode); ++ maxb = h_dentry->d_sb->s_maxbytes; ++ if (sb->s_maxbytes < maxb) ++ sb->s_maxbytes = maxb; ++ ++ /* ++ * this test/set prevents aufs from handling unnecesary inotify events ++ * of xino files, in a case of re-adding a writable branch which was ++ * once detached from aufs. ++ */ ++ if (au_xino_brid(sb) < 0 ++ && au_br_writable(add_branch->br_perm) ++ && !au_test_fs_bad_xino(h_dentry->d_sb) ++ && add_branch->br_xino.xi_file ++ && add_branch->br_xino.xi_file->f_dentry->d_parent == h_dentry) ++ au_xino_brid_set(sb, add_branch->br_id); ++ ++ out: ++ return err; ++} ++ ++/* ---------------------------------------------------------------------- */ ++ ++/* ++ * delete a branch ++ */ ++ ++/* to show the line number, do not make it inlined function */ ++#define AuVerbose(do_info, fmt, args...) do { \ ++ if (do_info) \ ++ AuInfo(fmt, ##args); \ ++} while (0) ++ ++/* ++ * test if the branch is deletable or not. ++ */ ++static int test_dentry_busy(struct dentry *root, aufs_bindex_t bindex, ++ unsigned int sigen) ++{ ++ int err, i, j, ndentry; ++ aufs_bindex_t bstart, bend; ++ unsigned char verbose; ++ struct au_dcsub_pages dpages; ++ struct au_dpage *dpage; ++ struct dentry *d; ++ struct inode *inode; ++ ++ err = au_dpages_init(&dpages, GFP_NOFS); ++ if (unlikely(err)) ++ goto out; ++ err = au_dcsub_pages(&dpages, root, NULL, NULL); ++ if (unlikely(err)) ++ goto out_dpages; ++ ++ verbose = !!au_opt_test(au_mntflags(root->d_sb), VERBOSE); ++ for (i = 0; !err && i < dpages.ndpage; i++) { ++ dpage = dpages.dpages + i; ++ ndentry = dpage->ndentry; ++ for (j = 0; !err && j < ndentry; j++) { ++ d = dpage->dentries[j]; ++ AuDebugOn(!atomic_read(&d->d_count)); ++ inode = d->d_inode; ++ if (au_digen(d) == sigen && au_iigen(inode) == sigen) ++ di_read_lock_child(d, AuLock_IR); ++ else { ++ di_write_lock_child(d); ++ err = au_reval_dpath(d, sigen); ++ if (!err) ++ di_downgrade_lock(d, AuLock_IR); ++ else { ++ di_write_unlock(d); ++ break; ++ } ++ } ++ ++ bstart = au_dbstart(d); ++ bend = au_dbend(d); ++ if (bstart <= bindex ++ && bindex <= bend ++ && au_h_dptr(d, bindex) ++ && (!S_ISDIR(inode->i_mode) || bstart == bend)) { ++ err = -EBUSY; ++ AuVerbose(verbose, "busy %.*s\n", AuDLNPair(d)); ++ } ++ di_read_unlock(d, AuLock_IR); ++ } ++ } ++ ++ out_dpages: ++ au_dpages_free(&dpages); ++ out: ++ return err; ++}< |