/* * Copyright (C) 2005, 2006 * Avishay Traeger (avishay@gmail.com) * Copyright (C) 2008, 2009 * Boaz Harrosh * * Copyrights for code taken from ext2: * Copyright (C) 1992, 1993, 1994, 1995 * Remy Card (card@masi.ibp.fr) * Laboratoire MASI - Institut Blaise Pascal * Universite Pierre et Marie Curie (Paris VI) * from * linux/fs/minix/inode.c * Copyright (C) 1991, 1992 Linus Torvalds * * This file is part of exofs. * * exofs 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. Since it is based on ext2, and the only * valid version of GPL for the Linux kernel is version 2, the only valid * version of GPL for exofs is version 2. * * exofs 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 exofs; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #include "exofs.h" static inline int exofs_add_nondir(struct dentry *dentry, struct inode *inode) { int err = exofs_add_link(dentry, inode); if (!err) { d_instantiate(dentry, inode); return 0; } inode_dec_link_count(inode); iput(inode); return err; } static struct dentry *exofs_lookup(struct inode *dir, struct dentry *dentry, unsigned int flags) { struct inode *inode; ino_t ino; if (dentry->d_name.len > EXOFS_NAME_LEN) return ERR_PTR(-ENAMETOOLONG); ino = exofs_inode_by_name(dir, dentry); inode = ino ? exofs_iget(dir->i_sb, ino) : NULL; return d_splice_alias(inode, dentry); } static int exofs_create(struct inode *dir, struct dentry *dentry, umode_t mode, bool excl) { struct inode *inode = exofs_new_inode(dir, mode); int err = PTR_ERR(inode); if (!IS_ERR(inode)) { inode->i_op = &exofs_file_inode_operations; inode->i_fop = &exofs_file_operations; inode->i_mapping->a_ops = &exofs_aops; mark_inode_dirty(inode); err = exofs_add_nondir(dentry, inode); } return err; } static int exofs_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t rdev) { struct inode *inode; int err; inode = exofs_new_inode(dir, mode); err = PTR_ERR(inode); if (!IS_ERR(inode)) { init_special_inode(inode, inode->i_mode, rdev); mark_inode_dirty(inode); err = exofs_add_nondir(dentry, inode); } return err; } static int exofs_symlink(struct inode *dir, struct dentry *dentry, const char *symname) { struct super_block *sb = dir->i_sb; int err = -ENAMETOOLONG; unsigned l = strlen(symname)+1; struct inode *inode; struct exofs_i_info *oi; if (l > sb->s_blocksize) goto out; inode = exofs_new_inode(dir, S_IFLNK | S_IRWXUGO); err = PTR_ERR(inode); if (IS_ERR(inode)) goto out; oi = exofs_i(inode); if (l > sizeof(oi->i_data)) { /* slow symlink */ inode->i_op = &page_symlink_inode_operations; inode_nohighmem(inode); inode->i_mapping->a_ops = &exofs_aops; memset(oi->i_data, 0, sizeof(oi->i_data)); err = page_symlink(inode, symname, l); if (err) goto out_fail; } else { /* fast symlink */ inode->i_op = &simple_symlink_inode_operations; inode->i_link = (char *)oi->i_data; memcpy(oi->i_data, symname, l); inode->i_size = l-1; } mark_inode_dirty(inode); err = exofs_add_nondir(dentry, inode); out: return err; out_fail: inode_dec_link_count(inode); iput(inode); goto out; } static int exofs_link(struct dentry *old_dentry, struct inode *dir, struct dentry *dentry) { struct inode *inode = d_inode(old_dentry); inode->i_ctime = current_time(inode); inode_inc_link_count(inode); ihold(inode); return exofs_add_nondir(dentry, inode); } static int exofs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) { struct inode *inode; int err; inode_inc_link_count(dir); inode = exofs_new_inode(dir, S_IFDIR | mode); err = PTR_ERR(inode); if (IS_ERR(inode)) goto out_dir; inode->i_op = &exofs_dir_inode_operations; inode->i_fop = &exofs_dir_operations; inode->i_mapping->a_ops = &exofs_aops; inode_inc_link_count(inode); err = exofs_make_empty(inode, dir); if (err) goto out_fail; err = exofs_add_link(dentry, inode); if (err) goto out_fail; d_instantiate(dentry, inode); out: return err; out_fail: inode_dec_link_count(inode); inode_dec_link_count(inode); iput(inode); out_dir: inode_dec_link_count(dir); goto out; } static int exofs_unlink(struct inode *dir, struct dentry *dentry) { struct inode *inode = d_inode(dentry); struct exofs_dir_entry *de; struct page *page; int err = -ENOENT; de = exofs_find_entry(dir, dentry, &page); if (!de) goto out; err = exofs_delete_entry(de, page); if (err) goto out; inode->i_ctime = dir->i_ctime; inode_dec_link_count(inode); err = 0; out: return err; } static int exofs_rmdir(struct inode *dir, struct dentry *dentry) { struct inode *inode = d_inode(dentry); int err = -ENOTEMPTY; if (exofs_empty_dir(inode)) { err = exofs_unlink(dir, dentry); if (!err) { inode->i_size = 0; inode_dec_link_count(inode); inode_dec_link_count(dir); } } return err; } static int exofs_rename(struct inode *old_dir, struct dentry *old_dentry, struct inode *new_dir, struct dentry *new_dentry, unsigned int flags) { struct inode *old_inode = d_inode(old_dentry); struct inode *new_inode = d_inode(new_dentry); struct page *dir_page = NULL; struct exofs_dir_entry *dir_de = NULL; struct page *old_page; struct exofs_dir_entry *old_de; int err = -ENOENT; if (flags & ~RENAME_NOREPLACE) return -EINVAL; old_de = exofs_find_entry(old_dir, old_dentry, &old_page); if (!old_de) goto out; if (S_ISDIR(old_inode->i_mode)) { err = -EIO; dir_de = exofs_dotdot(old_inode, &dir_page); if (!dir_de) goto out_old; } if (new_inode) { struct page *new_page; struct exofs_dir_entry *new_de; err = -ENOTEMPTY; if (dir_de && !exofs_empty_dir(new_inode)) goto out_dir; err = -ENOENT; new_de = exofs_find_entry(new_dir, new_dentry, &new_page); if (!new_de) goto out_dir; err = exofs_set_link(new_dir, new_de, new_page, old_inode); new_inode->i_ctime = current_time(new_inode); if (dir_de) drop_nlink(new_inode); inode_dec_link_count(new_inode); if (err) goto out_dir; } else { err = exofs_add_link(new_dentry, old_inode); if (err) goto out_dir; if (dir_de) inode_inc_link_count(new_dir); } old_inode->i_ctime = current_time(old_inode); exofs_delete_entry(old_de, old_page); mark_inode_dirty(old_inode); if (dir_de) { err = exofs_set_link(old_inode, dir_de, dir_page, new_dir); inode_dec_link_count(old_dir); if (err) goto out_dir; } return 0; out_dir: if (dir_de) { kunmap(dir_page); put_page(dir_page); } out_old: kunmap(old_page); put_page(old_page); out: return err; } const struct inode_operations exofs_dir_inode_operations = { .create = exofs_create, .lookup = exofs_lookup, .link = exofs_link, .unlink = exofs_unlink, .symlink = exofs_symlink, .mkdir = exofs_mkdir, .rmdir = exofs_rmdir, .mknod = exofs_mknod, .rename = exofs_rename, .setattr = exofs_setattr, }; const struct inode_operations exofs_special_inode_operations = { .setattr = exofs_setattr, }; net-next.git/log/include/dt-bindings/clock/bcm21664.h?id=72df5eba704252e54b5b19395cb938f8bb55cab8'>logplain -rw-r--r--bcm281xx.h2456logplain -rw-r--r--bcm2835-aux.h635logplain -rw-r--r--bcm2835.h1962logplain -rw-r--r--berlin2.h1034logplain -rw-r--r--berlin2q.h695logplain -rw-r--r--clps711x-clock.h718logplain -rw-r--r--efm32-cmu.h1112logplain -rw-r--r--exynos-audss-clk.h597logplain -rw-r--r--exynos3250.h9083logplain -rw-r--r--exynos4.h8284logplain -rw-r--r--exynos4415.h9828logplain -rw-r--r--exynos5250.h4616logplain -rw-r--r--exynos5260-clk.h14876logplain -rw-r--r--exynos5410.h1689logplain -rw-r--r--exynos5420.h6857logplain -rw-r--r--exynos5433.h45372logplain -rw-r--r--exynos5440.h1141logplain -rw-r--r--exynos7-clk.h5281logplain -rw-r--r--gxbb-aoclkc.h2866logplain -rw-r--r--gxbb-clkc.h592logplain -rw-r--r--hi3516cv300-clock.h1668logplain -rw-r--r--hi3519-clock.h1328logplain -rw-r--r--hi3620-clock.h4496logplain -rw-r--r--hi6220-clock.h4508logplain -rw-r--r--hip04-clock.h1137logplain -rw-r--r--histb-clock.h2012logplain -rw-r--r--hix5hd2-clock.h2415logplain -rw-r--r--imx1-clock.h1055logplain -rw-r--r--imx21-clock.h2461logplain -rw-r--r--imx27-clock.h3494logplain -rw-r--r--imx5-clock.h7212logplain -rw-r--r--imx6qdl-clock.h9593logplain -rw-r--r--imx6sl-clock.h5849logplain -rw-r--r--imx6sx-clock.h9099logplain -rw-r--r--imx6ul-clock.h8203logplain -rw-r--r--imx7d-clock.h15974logplain -rw-r--r--jz4740-cgu.h1028logplain -rw-r--r--jz4780-cgu.h2470logplain -rw-r--r--lpc18xx-ccu.h2134logplain -rw-r--r--lpc18xx-cgu.h1142logplain -rw-r--r--lpc32xx-clock.h1633logplain -rw-r--r--lsi,axm5516-clks.h974logplain -rw-r--r--marvell,mmp2.h2022logplain -rw-r--r--marvell,pxa168.h1654logplain -rw-r--r--marvell,pxa1928.h1535logplain -rw-r--r--marvell,pxa910.h1598logplain -rw-r--r--maxim,max77620.h632logplain -rw-r--r--maxim,max77686.h648logplain -rw-r--r--maxim,max77802.h630logplain -rw-r--r--meson8b-clkc.h523logplain -rw-r--r--microchip,pic32-clock.h1150logplain -rw-r--r--mpc512x-clock.h2236logplain -rw-r--r--mt2701-clk.h13832logplain -rw-r--r--mt8135-clk.h5641logplain -rw-r--r--mt8173-clk.h9293logplain -rw-r--r--oxsemi,ox810se.h1002logplain -rw-r--r--oxsemi,ox820.h1203logplain -rw-r--r--pistachio-clk.h4863logplain -rw-r--r--pxa-clock.h1715logplain -rw-r--r--qcom,gcc-apq8084.h12872logplain -rw-r--r--qcom,gcc-ipq4019.h5423logplain -rw-r--r--qcom,gcc-ipq806x.h8574logplain -rw-r--r--qcom,gcc-mdm9615.h9497logplain -rw-r--r--qcom,gcc-msm8660.h7932logplain -rw-r--r--qcom,gcc-msm8916.h6190logplain -rw-r--r--qcom,gcc-msm8960.h9342logplain -rw-r--r--qcom,gcc-msm8974.h12340logplain -rw-r--r--qcom,gcc-msm8994.h4858logplain -rw-r--r--qcom,gcc-msm8996.h12575logplain -rw-r--r--qcom,lcc-ipq806x.h899logplain -rw-r--r--qcom,lcc-mdm9615.h1701logplain -rw-r--r--qcom,lcc-msm8960.h1616logplain -rw-r--r--qcom,mmcc-apq8084.h5722logplain -rw-r--r--qcom,mmcc-msm8960.h4109logplain -rw-r--r--qcom,mmcc-msm8974.h5223logplain -rw-r--r--qcom,mmcc-msm8996.h9403logplain -rw-r--r--qcom,rpmcc.h2101logplain -rw-r--r--r7s72100-clock.h1218logplain -rw-r--r--r8a73a4-clock.h1596logplain -rw-r--r--r8a7740-clock.h1992logplain -rw-r--r--r8a7743-cpg-mssr.h1269logplain -rw-r--r--r8a7745-cpg-mssr.h1298logplain -rw-r--r--r8a7778-clock.h1855logplain -rw-r--r--r8a7779-clock.h1647logplain -rw-r--r--r8a7790-clock.h4367logplain -rw-r--r--r8a7791-clock.h4388logplain -rw-r--r--r8a7792-clock.h2562logplain -rw-r--r--r8a7793-clock.h4561logplain -rw-r--r--r8a7794-clock.h3679logplain -rw-r--r--r8a7795-cpg-mssr.h1890logplain -rw-r--r--r8a7796-cpg-mssr.h2066logplain -rw-r--r--renesas-cpg-mssr.h542logplain -rw-r--r--rk1108-cru.h6605logplain -rw-r--r--rk3036-cru.h4584logplain -rw-r--r--rk3066a-cru.h1068logplain -rw-r--r--rk3188-cru-common.h6105logplain -rw-r--r--rk3188-cru.h1435logplain