X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=fs%2Fminix%2Fnamei.c;h=32b131cd6121d2599d84ee60af29ceac261453d9;hb=82af8ce84ed65d2fb6d8c017d3f2bbbf161061fb;hp=b25bca5bdb572236c58589731822dce7e03e3619;hpb=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2;p=safe%2Fjmp%2Flinux-2.6 diff --git a/fs/minix/namei.c b/fs/minix/namei.c index b25bca5..32b131c 100644 --- a/fs/minix/namei.c +++ b/fs/minix/namei.c @@ -6,18 +6,6 @@ #include "minix.h" -static inline void inc_count(struct inode *inode) -{ - inode->i_nlink++; - mark_inode_dirty(inode); -} - -static inline void dec_count(struct inode *inode) -{ - inode->i_nlink--; - mark_inode_dirty(inode); -} - static int add_nondir(struct dentry *dentry, struct inode *inode) { int err = minix_add_link(dentry, inode); @@ -25,35 +13,11 @@ static int add_nondir(struct dentry *dentry, struct inode *inode) d_instantiate(dentry, inode); return 0; } - dec_count(inode); + inode_dec_link_count(inode); iput(inode); return err; } -static int minix_hash(struct dentry *dentry, struct qstr *qstr) -{ - unsigned long hash; - int i; - const unsigned char *name; - - i = minix_sb(dentry->d_inode->i_sb)->s_namelen; - if (i >= qstr->len) - return 0; - /* Truncate the name in place, avoids having to define a compare - function. */ - qstr->len = i; - name = qstr->name; - hash = init_name_hash(); - while (i--) - hash = partial_name_hash(*name++, hash); - qstr->hash = end_name_hash(hash); - return 0; -} - -struct dentry_operations minix_dentry_operations = { - .d_hash = minix_hash, -}; - static struct dentry *minix_lookup(struct inode * dir, struct dentry *dentry, struct nameidata *nd) { struct inode * inode = NULL; @@ -66,10 +30,9 @@ static struct dentry *minix_lookup(struct inode * dir, struct dentry *dentry, st ino = minix_inode_by_name(dentry); if (ino) { - inode = iget(dir->i_sb, ino); - - if (!inode) - return ERR_PTR(-EACCES); + inode = minix_iget(dir->i_sb, ino); + if (IS_ERR(inode)) + return ERR_CAST(inode); } d_add(dentry, inode); return NULL; @@ -125,7 +88,7 @@ out: return err; out_fail: - dec_count(inode); + inode_dec_link_count(inode); iput(inode); goto out; } @@ -139,7 +102,7 @@ static int minix_link(struct dentry * old_dentry, struct inode * dir, return -EMLINK; inode->i_ctime = CURRENT_TIME_SEC; - inc_count(inode); + inode_inc_link_count(inode); atomic_inc(&inode->i_count); return add_nondir(dentry, inode); } @@ -152,7 +115,7 @@ static int minix_mkdir(struct inode * dir, struct dentry *dentry, int mode) if (dir->i_nlink >= minix_sb(dir->i_sb)->s_link_max) goto out; - inc_count(dir); + inode_inc_link_count(dir); inode = minix_new_inode(dir, &err); if (!inode) @@ -163,7 +126,7 @@ static int minix_mkdir(struct inode * dir, struct dentry *dentry, int mode) inode->i_mode |= S_ISGID; minix_set_inode(inode, 0); - inc_count(inode); + inode_inc_link_count(inode); err = minix_make_empty(inode, dir); if (err) @@ -178,11 +141,11 @@ out: return err; out_fail: - dec_count(inode); - dec_count(inode); + inode_dec_link_count(inode); + inode_dec_link_count(inode); iput(inode); out_dir: - dec_count(dir); + inode_dec_link_count(dir); goto out; } @@ -202,7 +165,7 @@ static int minix_unlink(struct inode * dir, struct dentry *dentry) goto end_unlink; inode->i_ctime = dir->i_ctime; - dec_count(inode); + inode_dec_link_count(inode); end_unlink: return err; } @@ -215,8 +178,8 @@ static int minix_rmdir(struct inode * dir, struct dentry *dentry) if (minix_empty_dir(inode)) { err = minix_unlink(dir, dentry); if (!err) { - dec_count(dir); - dec_count(inode); + inode_dec_link_count(dir); + inode_dec_link_count(inode); } } return err; @@ -257,34 +220,34 @@ static int minix_rename(struct inode * old_dir, struct dentry *old_dentry, new_de = minix_find_entry(new_dentry, &new_page); if (!new_de) goto out_dir; - inc_count(old_inode); + inode_inc_link_count(old_inode); minix_set_link(new_de, new_page, old_inode); new_inode->i_ctime = CURRENT_TIME_SEC; if (dir_de) - new_inode->i_nlink--; - dec_count(new_inode); + drop_nlink(new_inode); + inode_dec_link_count(new_inode); } else { if (dir_de) { err = -EMLINK; if (new_dir->i_nlink >= info->s_link_max) goto out_dir; } - inc_count(old_inode); + inode_inc_link_count(old_inode); err = minix_add_link(new_dentry, old_inode); if (err) { - dec_count(old_inode); + inode_dec_link_count(old_inode); goto out_dir; } if (dir_de) - inc_count(new_dir); + inode_inc_link_count(new_dir); } minix_delete_entry(old_de, old_page); - dec_count(old_inode); + inode_dec_link_count(old_inode); if (dir_de) { minix_set_link(dir_de, dir_page, new_dir); - dec_count(old_dir); + inode_dec_link_count(old_dir); } return 0; @@ -303,7 +266,7 @@ out: /* * directories can handle most operations... */ -struct inode_operations minix_dir_inode_operations = { +const struct inode_operations minix_dir_inode_operations = { .create = minix_create, .lookup = minix_lookup, .link = minix_link,