diff options
Diffstat (limited to 'package/mini_fo')
| -rw-r--r-- | package/mini_fo/Makefile | 47 | ||||
| -rw-r--r-- | package/mini_fo/patches/101-kmod_build.patch | 52 | ||||
| -rw-r--r-- | package/mini_fo/patches/102-mutex_change.patch | 602 |
3 files changed, 701 insertions, 0 deletions
diff --git a/package/mini_fo/Makefile b/package/mini_fo/Makefile new file mode 100644 index 000000000..a6319f4f7 --- /dev/null +++ b/package/mini_fo/Makefile @@ -0,0 +1,47 @@ +# $Id$ + +include $(TOPDIR)/rules.mk +include $(TOPDIR)/package/kernel.mk + +PKG_NAME:=mini_fo +PKG_VERSION:=0.6.2pre1 +PKG_RELEASE:=1 +PKG_MD5SUM:=acd12157be25d7b3c8df90914049403e + +PKG_SOURCE_URL:=http://www.denx.de/twiki/pub/Know/MiniFOHome/ +PKG_SOURCE:=mini_fo-0-6-2-pre1.tar.bz2 +PKG_CAT:=bzcat + +PKG_BUILD_DIR:=$(BUILD_DIR)/mini_fo-0-6-2-pre1 + +include $(TOPDIR)/package/rules.mk + +define Package/kmod-mini-fo + SECTION:=drivers + CATEGORY:=Drivers + DEPENDS:= + TITLE:=The mini fanout overlay file system + DESCRIPTION:=The mini fanout overlay file system + URL:=http://www.denx.de/wiki/Know.MiniFOHome + VERSION:=$(LINUX_VERSION)+$(PKG_VERSION)-$(BOARD)-$(PKG_RELEASE) +endef + +define Build/Compile + $(MAKE) -C $(PKG_BUILD_DIR) \ + PATH="$(TARGET_PATH)" \ + ARCH="$(LINUX_KARCH)" \ + CROSS_COMPILE="$(TARGET_CROSS)" \ + KERNELVERSION="$(KERNEL)" \ + KERNEL_SRC="$(LINUX_DIR)" \ + all +endef + +define Package/kmod-mini-fo/install + install -m0755 -d $(1)/lib/modules/$(LINUX_VERSION) + $(CP) $(PKG_BUILD_DIR)/mini_fo.$(LINUX_KMOD_SUFFIX) \ + $(1)/lib/modules/$(LINUX_VERSION)/ + install -m0755 -d $(1)/etc/modules.d + echo "mini_fo" > $(1)/etc/modules.d/15-mini-fo +endef + +$(eval $(call BuildPackage,kmod-mini-fo)) diff --git a/package/mini_fo/patches/101-kmod_build.patch b/package/mini_fo/patches/101-kmod_build.patch new file mode 100644 index 000000000..9b47a69ab --- /dev/null +++ b/package/mini_fo/patches/101-kmod_build.patch @@ -0,0 +1,52 @@ +diff -Nur mini_fo-0-6-2-pre1/Makefile mini_fo-0-6-2-pre1.patched/Makefile +--- mini_fo-0-6-2-pre1/Makefile 2005-10-15 12:49:43.000000000 +0200 ++++ mini_fo-0-6-2-pre1.patched/Makefile 2005-12-25 14:03:36.864205250 +0100 +@@ -26,36 +26,29 @@ + # allow custom override of TOPINC for fistgen developers + -include fistdev.mk + ++obj-m := mini_fo.o ++mini_fo-objs := meta.o dentry.o file.o inode.o main.o super.o state.o aux.o ++ + ifeq ($(KERNELVERSION),2.4) +-CFLAGS = -D__KERNEL__ -DMODULE -DFISTGEN -I. ${TOPINC} -O2 -Wall -Wno-unused -g -fno-common -fno-schedule-insns -fno-schedule-insns2 -fno-strict-aliasing -msoft-float -Werror +-ifeq ($(ARCH),um) +-CFLAGS += $(shell cd $(KERNEL_SRC) ; make script 'SCRIPT=@echo $$(CFLAGS)' ARCH=um) +-endif +-UCFLAGS = -DFISTGEN -I. ${TOPINC} -g -O2 -Wall -Wno-unused -Werror +-endif + +-CC = $(CROSS_COMPILE)gcc +-LD = $(CROSS_COMPILE)ld ++O_TARGET := $(obj-m) ++obj-y := $(mini_fo-objs) + +-obj-m := mini_fo.o +-mini_fo-objs := meta.o dentry.o file.o inode.o main.o super.o state.o aux.o ++-include $(TOPDIR)/Rules.make ++ ++endif + + all: mini_fo$(KERNELVERSION) + +-mini_fo2.4: ${obj-m} ++mini_fo2.4: ++ $(MAKE) -C ${KERNEL_SRC} TOPDIR="${KERNEL_SRC}" SUBDIRS=$(shell pwd) modules + + mini_fo2.6: +- make -C ${KERNEL_SRC} SUBDIRS=$(PWD) modules +- +-${obj-m}: ${mini_fo-objs} +- $(LD) -o ${obj-m} -r ${mini_fo-objs} +- +-tags: +- ctags -R -e ++ $(MAKE) -C ${KERNEL_SRC} SUBDIRS=$(shell pwd) modules + + clean: + ifeq ($(KERNELVERSION),2.6) +- -make -C ${KERNEL_SRC} SUBDIRS=$(PWD) clean ++ -$(MAKE) -C ${KERNEL_SRC} SUBDIRS=$(shell pwd) clean + endif + rm -f ${obj-m} ${mini_fo-objs} ${obj-m:.o=.ko} *.d .*.flags *~ + rm -f TAGS diff --git a/package/mini_fo/patches/102-mutex_change.patch b/package/mini_fo/patches/102-mutex_change.patch new file mode 100644 index 000000000..4dec47bf5 --- /dev/null +++ b/package/mini_fo/patches/102-mutex_change.patch @@ -0,0 +1,602 @@ +From: <mk@mary.denx.de> +Date: Tue, 24 Jan 2006 14:09:21 +0000 (+0100) +Subject: Support for new mutex infrastructure +X-Git-Url: http://www.denx.de/cgi-bin/gitweb.cgi?p=mini_fo.git;a=commitdiff;h=1dcc028729060ea83ea662155634b33ae8e2c493 + + Support for new mutex infrastructure + (7892f2f48d165a34b0b8130c8a195dfd807b8cb6) +--- + +--- a/ChangeLog ++++ b/ChangeLog +@@ -1,3 +1,13 @@ ++2006-01-24 Markus Klotzbuecher <mk@mary.denx.de> ++ ++ * Add tons of ugly ifdefs to Ed L. Cashin's mutex patch to ++ retain backwards compatibility. ++ ++2006-01-24 Ed L. Cashin <ecashin@coraid.com> ++ ++ * Support for the new mutex infrastructure ++ (7892f2f48d165a34b0b8130c8a195dfd807b8cb6) ++ + 2005-10-15 Markus Klotzbuecher <mk@localhost.localdomain> + + * Bugfix for a serious memory leak in mini_fo_follow_link. +--- a/aux.c ++++ b/aux.c +@@ -435,8 +435,11 @@ int build_sto_structure(dentry_t *dir, d + + /* was: hidden_sto_dir_dentry = lock_parent(hidden_sto_dentry); */ + hidden_sto_dir_dentry = dget(hidden_sto_dentry->d_parent); ++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16) ++ mutex_lock(&hidden_sto_dir_dentry->d_inode->i_mutex); ++#else + down(&hidden_sto_dir_dentry->d_inode->i_sem); +- ++#endif + /* lets be safe */ + if(dtohd2(dir) != hidden_sto_dir_dentry) { + printk(KERN_CRIT "mini_fo: build_sto_structure: invalid parameter or meta data corruption [2].\n"); +@@ -457,7 +460,11 @@ int build_sto_structure(dentry_t *dir, d + if(err) { + printk(KERN_CRIT "mini_fo: build_sto_structure: failed to create storage dir [1].\n"); + /* was: unlock_dir(dir); */ ++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16) ++ mutex_unlock(&dir->d_inode->i_mutex); ++#else + up(&dir->d_inode->i_sem); ++#endif + dput(dir); + return err; + } +@@ -466,7 +473,11 @@ int build_sto_structure(dentry_t *dir, d + if(!dtohd2(dentry)->d_inode) { + printk(KERN_CRIT "mini_fo: build_sto_structure: failed to create storage dir [2].\n"); + /* was: unlock_dir(dir); */ ++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16) ++ mutex_unlock(&dir->d_inode->i_mutex); ++#else + up(&dir->d_inode->i_sem); ++#endif + dput(dir); + return 1; + } +@@ -485,7 +496,11 @@ int build_sto_structure(dentry_t *dir, d + hidden_sto_dir_dentry->d_inode); + dir->d_inode->i_nlink++; + /* was: unlock_dir(hidden_sto_dir_dentry); */ ++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16) ++ mutex_unlock(&hidden_sto_dir_dentry->d_inode->i_mutex); ++#else + up(&hidden_sto_dir_dentry->d_inode->i_sem); ++#endif + dput(hidden_sto_dir_dentry); + return 0; + } +--- a/file.c ++++ b/file.c +@@ -613,18 +613,34 @@ mini_fo_fsync(file_t *file, dentry_t *de + if ((hidden_file = ftohf(file)) != NULL) { + hidden_dentry = dtohd(dentry); + if (hidden_file->f_op && hidden_file->f_op->fsync) { ++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16) ++ mutex_lock(&hidden_dentry->d_inode->i_mutex); ++#else + down(&hidden_dentry->d_inode->i_sem); ++#endif + err1 = hidden_file->f_op->fsync(hidden_file, hidden_dentry, datasync); ++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16) ++ mutex_unlock(&hidden_dentry->d_inode->i_mutex); ++#else + up(&hidden_dentry->d_inode->i_sem); ++#endif + } + } + + if ((hidden_file = ftohf2(file)) != NULL) { + hidden_dentry = dtohd2(dentry); + if (hidden_file->f_op && hidden_file->f_op->fsync) { ++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16) ++ mutex_lock(&hidden_dentry->d_inode->i_mutex); ++#else + down(&hidden_dentry->d_inode->i_sem); ++#endif + err2 = hidden_file->f_op->fsync(hidden_file, hidden_dentry, datasync); ++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16) ++ mutex_unlock(&hidden_dentry->d_inode->i_mutex); ++#else + up(&hidden_dentry->d_inode->i_sem); ++#endif + } + } + else +--- a/inode.c ++++ b/inode.c +@@ -355,7 +355,11 @@ mini_fo_link(dentry_t *old_dentry, inode + + /* was: hidden_dir_dentry = lock_parent(hidden_new_dentry); */ + hidden_dir_dentry = dget(hidden_new_dentry->d_parent); ++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16) ++ mutex_lock(&hidden_dir_dentry->d_inode->i_mutex); ++#else + down(&hidden_dir_dentry->d_inode->i_sem); ++#endif + + err = vfs_link(hidden_old_dentry, + hidden_dir_dentry->d_inode, +@@ -374,7 +378,11 @@ mini_fo_link(dentry_t *old_dentry, inode + + out_lock: + /* was: unlock_dir(hidden_dir_dentry); */ ++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16) ++ mutex_unlock(&hidden_dir_dentry->d_inode->i_mutex); ++#else + up(&hidden_dir_dentry->d_inode->i_sem); ++#endif + dput(hidden_dir_dentry); + + dput(hidden_new_dentry); +@@ -452,7 +460,11 @@ mini_fo_symlink(inode_t *dir, dentry_t * + dget(hidden_sto_dentry); + /* was: hidden_sto_dir_dentry = lock_parent(hidden_sto_dentry); */ + hidden_sto_dir_dentry = dget(hidden_sto_dentry->d_parent); ++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16) ++ mutex_lock(&hidden_sto_dir_dentry->d_inode->i_mutex); ++#else + down(&hidden_sto_dir_dentry->d_inode->i_sem); ++#endif + + #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) + mode = S_IALLUGO; +@@ -481,7 +493,11 @@ mini_fo_symlink(inode_t *dir, dentry_t * + + out_lock: + /* was: unlock_dir(hidden_sto_dir_dentry); */ ++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16) ++ mutex_unlock(&hidden_sto_dir_dentry->d_inode->i_mutex); ++#else + up(&hidden_sto_dir_dentry->d_inode->i_sem); ++#endif + dput(hidden_sto_dir_dentry); + + dput(hidden_sto_dentry); +@@ -524,7 +540,11 @@ mini_fo_rmdir(inode_t *dir, dentry_t *de + + /* was:hidden_sto_dir_dentry = lock_parent(hidden_sto_dentry); */ + hidden_sto_dir_dentry = dget(hidden_sto_dentry->d_parent); ++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16) ++ mutex_lock(&hidden_sto_dir_dentry->d_inode->i_mutex); ++#else + down(&hidden_sto_dir_dentry->d_inode->i_sem); ++#endif + + /* avoid destroying the hidden inode if the file is in use */ + dget(hidden_sto_dentry); +@@ -572,7 +592,11 @@ mini_fo_rmdir(inode_t *dir, dentry_t *de + dentry->d_name.len); + } + /* was: unlock_dir(hidden_sto_dir_dentry); */ ++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16) ++ mutex_unlock(&hidden_sto_dir_dentry->d_inode->i_mutex); ++#else + up(&hidden_sto_dir_dentry->d_inode->i_sem); ++#endif + dput(hidden_sto_dir_dentry); + goto out; + } +@@ -602,7 +626,12 @@ mini_fo_rmdir(inode_t *dir, dentry_t *de + + /* was: hidden_sto_dir_dentry = lock_parent(hidden_sto_dentry);*/ + hidden_sto_dir_dentry = dget(hidden_sto_dentry->d_parent); ++ ++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16) ++ mutex_lock(&hidden_sto_dir_dentry->d_inode->i_mutex); ++#else + down(&hidden_sto_dir_dentry->d_inode->i_sem); ++#endif + + /* avoid destroying the hidden inode if the file is in use */ + dget(hidden_sto_dentry); +@@ -630,7 +659,11 @@ mini_fo_rmdir(inode_t *dir, dentry_t *de + dtopd(dentry)->state = NON_EXISTANT; + + /* was: unlock_dir(hidden_sto_dir_dentry); */ ++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16) ++ mutex_unlock(&hidden_sto_dir_dentry->d_inode->i_mutex); ++#else + up(&hidden_sto_dir_dentry->d_inode->i_sem); ++#endif + dput(hidden_sto_dir_dentry); + + goto out; +@@ -641,7 +674,12 @@ mini_fo_rmdir(inode_t *dir, dentry_t *de + + /* was: hidden_sto_dir_dentry = lock_parent(hidden_sto_dentry);*/ + hidden_sto_dir_dentry = dget(hidden_sto_dentry->d_parent); ++ ++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16) ++ mutex_lock(&hidden_sto_dir_dentry->d_inode->i_mutex); ++#else + down(&hidden_sto_dir_dentry->d_inode->i_sem); ++#endif + + /* avoid destroying the hidden inode if the file is in use */ + dget(hidden_sto_dentry); +@@ -668,7 +706,12 @@ mini_fo_rmdir(inode_t *dir, dentry_t *de + dentry->d_inode->i_nlink = itohi2(dentry->d_inode)->i_nlink; + dtopd(dentry)->state = DELETED; + /* was: unlock_dir(hidden_sto_dir_dentry); */ ++ ++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16) ++ mutex_unlock(&hidden_sto_dir_dentry->d_inode->i_mutex); ++#else + up(&hidden_sto_dir_dentry->d_inode->i_sem); ++#endif + dput(hidden_sto_dir_dentry); + goto out; + } +@@ -1294,11 +1337,19 @@ mini_fo_getxattr(struct dentry *dentry, + encoded_name = (char *)name; + encoded_value = (char *)value; + ++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16) ++ mutex_lock(&hidden_dentry->d_inode->i_mutex); ++#else + down(&hidden_dentry->d_inode->i_sem); ++#endif + /* lock_kernel() already done by caller. */ + err = hidden_dentry->d_inode->i_op->getxattr(hidden_dentry, encoded_name, encoded_value, size); + /* unlock_kernel() will be done by caller. */ ++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16) ++ mutex_lock(&hidden_dentry->d_inode->i_mutex); ++#else + up(&hidden_dentry->d_inode->i_sem); ++#endif + } + return err; + } +@@ -1340,11 +1391,19 @@ mini_fo_setxattr(struct dentry *dentry, + encoded_name = (char *)name; + encoded_value = (char *)value; + ++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16) ++ mutex_lock(&hidden_dentry->d_inode->i_mutex); ++#else + down(&hidden_dentry->d_inode->i_sem); ++#endif + /* lock_kernel() already done by caller. */ + err = hidden_dentry->d_inode->i_op->setxattr(hidden_dentry, encoded_name, encoded_value, size, flags); + /* unlock_kernel() will be done by caller. */ ++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16) ++ mutex_unlock(&hidden_dentry->d_inode->i_mutex); ++#else + up(&hidden_dentry->d_inode->i_sem); ++#endif + } + return err; + } +@@ -1372,11 +1431,19 @@ mini_fo_removexattr(struct dentry *dentr + if (hidden_dentry->d_inode->i_op->removexattr) { + encoded_name = (char *)name; + ++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16) ++ mutex_lock(&hidden_dentry->d_inode->i_mutex); ++#else + down(&hidden_dentry->d_inode->i_sem); ++#endif + /* lock_kernel() already done by caller. */ + err = hidden_dentry->d_inode->i_op->removexattr(hidden_dentry, encoded_name); + /* unlock_kernel() will be done by caller. */ ++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16) ++ mutex_unlock(&hidden_dentry->d_inode->i_mutex); ++#else + up(&hidden_dentry->d_inode->i_sem); ++#endif + } + return err; + } +@@ -1403,11 +1470,20 @@ mini_fo_listxattr(struct dentry *dentry, + + if (hidden_dentry->d_inode->i_op->listxattr) { + encoded_list = list; ++ ++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16) ++ mutex_lock(&hidden_dentry->d_inode->i_mutex); ++#else + down(&hidden_dentry->d_inode->i_sem); ++#endif + /* lock_kernel() already done by caller. */ + err = hidden_dentry->d_inode->i_op->listxattr(hidden_dentry, encoded_list, size); + /* unlock_kernel() will be done by caller. */ ++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16) ++ mutex_unlock(&hidden_dentry->d_inode->i_mutex); ++#else + up(&hidden_dentry->d_inode->i_sem); ++#endif + } + return err; + } +--- a/meta.c ++++ b/meta.c +@@ -650,9 +650,20 @@ int meta_sync_d_list(dentry_t *dentry, i + struct iattr newattrs; + newattrs.ia_size = 0; + newattrs.ia_valid = ATTR_SIZE | ATTR_CTIME; ++ ++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16) ++ mutex_lock(&meta_dentry->d_inode->i_mutex); ++#else + down(&meta_dentry->d_inode->i_sem); ++#endif + err = notify_change(meta_dentry, &newattrs); ++ ++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16) ++ mutex_unlock(&meta_dentry->d_inode->i_mutex); ++#else + up(&meta_dentry->d_inode->i_sem); ++#endif ++ + if(err || meta_dentry->d_inode->i_size != 0) { + printk(KERN_CRIT "mini_fo: meta_sync_d_list: \ + ERROR truncating meta file.\n"); +@@ -780,9 +791,19 @@ int meta_sync_r_list(dentry_t *dentry, i + struct iattr newattrs; + newattrs.ia_size = 0; + newattrs.ia_valid = ATTR_SIZE | ATTR_CTIME; ++ ++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16) ++ mutex_lock(&meta_dentry->d_inode->i_mutex); ++#else + down(&meta_dentry->d_inode->i_sem); ++#endif + err = notify_change(meta_dentry, &newattrs); ++ ++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16) ++ mutex_unlock(&meta_dentry->d_inode->i_mutex); ++#else + up(&meta_dentry->d_inode->i_sem); ++#endif + if(err || meta_dentry->d_inode->i_size != 0) { + printk(KERN_CRIT "mini_fo: meta_sync_r_list: \ + ERROR truncating meta file.\n"); +--- a/mini_fo.h ++++ b/mini_fo.h +@@ -433,6 +433,33 @@ fist_copy_attr_all(inode_t *dest, const + + #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) + /* copied from linux/fs.h */ ++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16) ++static inline void double_lock(struct dentry *d1, struct dentry *d2) ++{ ++ struct mutex *m1 = &d1->d_inode->i_mutex; ++ struct mutex *m2 = &d2->d_inode->i_mutex; ++ if (m1 != m2) { ++ if ((unsigned long) m1 < (unsigned long) m2) { ++ struct mutex *tmp = m2; ++ m2 = m1; m1 = tmp; ++ } ++ mutex_lock(m1); ++ } ++ mutex_lock(m2); ++} ++ ++static inline void double_unlock(struct dentry *d1, struct dentry *d2) ++{ ++ struct mutex *m1 = &d1->d_inode->i_mutex; ++ struct mutex *m2 = &d2->d_inode->i_mutex; ++ mutex_unlock(m1); ++ if (m1 != m2) ++ mutex_unlock(m2); ++ dput(d1); ++ dput(d2); ++} ++ ++#else + static inline void double_down(struct semaphore *s1, struct semaphore *s2) + { + if (s1 != s2) { +@@ -463,8 +490,8 @@ static inline void double_unlock(struct + dput(d1); + dput(d2); + } +- +-#endif ++#endif /* if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16) */ ++#endif /* if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) */ + #endif /* __KERNEL__ */ + + /* +--- a/mmap.c ++++ b/mmap.c +@@ -478,7 +478,11 @@ mini_fo_commit_write(file_t *file, page_ + if (ftopd(file) != NULL) + hidden_file = ftohf(file); + ++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16) ++ mutex_lock(&hidden_inode->i_mutex); ++#else + down(&hidden_inode->i_sem); ++#endif + /* find lower page (returns a locked page) */ + hidden_page = grab_cache_page(hidden_inode->i_mapping, page->index); + if (!hidden_page) +@@ -556,7 +560,12 @@ mini_fo_commit_write(file_t *file, page_ + ClearPageUptodate(page); + else + SetPageUptodate(page); ++ ++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16) ++ mutex_unlock(&hidden_inode->i_mutex); ++#else + up(&hidden_inode->i_sem); ++#endif + print_exit_status(err); + return err; /* assume all is ok */ + } +--- a/state.c ++++ b/state.c +@@ -44,7 +44,12 @@ int create_sto_reg_file(dentry_t *dentry + + /* lock parent */ + hidden_sto_dir_dentry = dget(hidden_sto_dentry->d_parent); ++ ++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16) ++ mutex_lock(&hidden_sto_dir_dentry->d_inode->i_mutex); ++#else + down(&hidden_sto_dir_dentry->d_inode->i_sem); ++#endif + + err = PTR_ERR(hidden_sto_dir_dentry); + if (IS_ERR(hidden_sto_dir_dentry)) +@@ -97,7 +102,11 @@ int create_sto_reg_file(dentry_t *dentry + hidden_sto_dir_dentry->d_inode); + + out_lock: ++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16) ++ mutex_unlock(&hidden_sto_dir_dentry->d_inode->i_mutex); ++#else + up(&hidden_sto_dir_dentry->d_inode->i_sem); ++#endif + dput(hidden_sto_dir_dentry); + out: + return err; +@@ -130,7 +139,12 @@ n"); + + /* was: hidden_sto_dir_dentry = lock_parent(hidden_sto_dentry); */ + hidden_sto_dir_dentry = dget(hidden_sto_dentry->d_parent); ++ ++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16) ++ mutex_lock(&hidden_sto_dir_dentry->d_inode->i_mutex); ++#else + down(&hidden_sto_dir_dentry->d_inode->i_sem); ++#endif + + err = PTR_ERR(hidden_sto_dir_dentry); + if (IS_ERR(hidden_sto_dir_dentry)) +@@ -184,7 +198,11 @@ n"); + + out_lock: + /* was: unlock_dir(hidden_sto_dir_dentry); */ ++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16) ++ mutex_unlock(&hidden_sto_dir_dentry->d_inode->i_mutex); ++#else + up(&hidden_sto_dir_dentry->d_inode->i_sem); ++#endif + dput(hidden_sto_dir_dentry); + out: + return err; +@@ -217,7 +235,12 @@ int create_sto_nod(dentry_t *dentry, int + + /* lock parent */ + hidden_sto_dir_dentry = dget(hidden_sto_dentry->d_parent); ++ ++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16) ++ mutex_lock(&hidden_sto_dir_dentry->d_inode->i_mutex); ++#else + down(&hidden_sto_dir_dentry->d_inode->i_sem); ++#endif + + err = PTR_ERR(hidden_sto_dir_dentry); + if (IS_ERR(hidden_sto_dir_dentry)) +@@ -260,7 +283,11 @@ int create_sto_nod(dentry_t *dentry, int + fist_copy_attr_timesizes(dir, hidden_sto_dir_dentry->d_inode); + + out_lock: ++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16) ++ mutex_unlock(&hidden_sto_dir_dentry->d_inode->i_mutex); ++#else + up(&hidden_sto_dir_dentry->d_inode->i_sem); ++#endif + dput(hidden_sto_dir_dentry); + out: + return err; +@@ -314,7 +341,12 @@ int nondir_unmod_to_mod(dentry_t *dentry + + /* lock parent */ + hidden_sto_dir_dentry = dget(hidden_sto_dentry->d_parent); ++ ++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16) ++ mutex_lock(&hidden_sto_dir_dentry->d_inode->i_mutex); ++#else + down(&hidden_sto_dir_dentry->d_inode->i_sem); ++#endif + + err = PTR_ERR(hidden_sto_dir_dentry); + if (IS_ERR(hidden_sto_dir_dentry)) +@@ -365,7 +397,12 @@ int nondir_unmod_to_mod(dentry_t *dentry + if((cp_flag == 1) && S_ISREG(dentry->d_inode->i_mode)) { + + /* unlock first */ ++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16) ++ mutex_unlock(&hidden_sto_dir_dentry->d_inode->i_mutex); ++#else + up(&hidden_sto_dir_dentry->d_inode->i_sem); ++#endif ++ + dput(hidden_sto_dir_dentry); + + tgt_dentry = dtohd2(dentry); +@@ -383,7 +420,11 @@ int nondir_unmod_to_mod(dentry_t *dentry + } + + out_lock: ++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16) ++ mutex_unlock(&hidden_sto_dir_dentry->d_inode->i_mutex); ++#else + up(&hidden_sto_dir_dentry->d_inode->i_sem); ++#endif + dput(hidden_sto_dir_dentry); + out: + return err; +@@ -420,7 +461,12 @@ int nondir_creat_to_del(dentry_t *dentry + + /* was: hidden_sto_dir_dentry = lock_parent(hidden_sto_dentry);*/ + hidden_sto_dir_dentry = dget(hidden_sto_dentry->d_parent); ++ ++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16) ++ mutex_lock(&hidden_sto_dir_dentry->d_inode->i_mutex); ++#else + down(&hidden_sto_dir_dentry->d_inode->i_sem); ++#endif + + /* avoid destroying the hidden inode if the file is in use */ + dget(hidden_sto_dentry); +@@ -435,7 +481,11 @@ int nondir_creat_to_del(dentry_t *dentry + dtost(dentry) = NON_EXISTANT; + + /* was: unlock_dir(hidden_sto_dir_dentry); */ ++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16) ++ mutex_unlock(&hidden_sto_dir_dentry->d_inode->i_mutex); ++#else + up(&hidden_sto_dir_dentry->d_inode->i_sem); ++#endif + dput(hidden_sto_dir_dentry); + + out: +@@ -464,7 +514,12 @@ int nondir_mod_to_del(dentry_t *dentry) + + /* was hidden_sto_dir_dentry = lock_parent(hidden_sto_dentry); */ + hidden_sto_dir_dentry = dget(hidden_sto_dentry->d_parent); ++ ++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16) ++ mutex_lock(&hidden_sto_dir_dentry->d_inode->i_mutex); ++#else + down(&hidden_sto_dir_dentry->d_inode->i_sem); ++#endif + + /* avoid destroying the hidden inode if the file is in use */ + dget(hidden_sto_dentry); +@@ -488,7 +543,11 @@ int nondir_mod_to_del(dentry_t *dentry) + dentry->d_name.len); + + /* was: unlock_dir(hidden_sto_dir_dentry); */ ++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16) ++ mutex_unlock(&hidden_sto_dir_dentry->d_inode->i_mutex); ++#else + up(&hidden_sto_dir_dentry->d_inode->i_sem); ++#endif + dput(hidden_sto_dir_dentry); + + out: + |