diff options
Diffstat (limited to 'fs/open.c')
| -rw-r--r-- | fs/open.c | 14 |
1 files changed, 13 insertions, 1 deletions
@@ -10,11 +10,14 @@ #include <linux/file.h> #include <linux/smp_lock.h> #include <linux/quotaops.h> +#include <linux/dnotify.h> #include <linux/module.h> #include <linux/slab.h> #include <asm/uaccess.h> +#define special_file(m) (S_ISCHR(m)||S_ISBLK(m)||S_ISFIFO(m)||S_ISSOCK(m)) + int vfs_statfs(struct super_block *sb, struct statfs *buf) { int retval = -ENODEV; @@ -115,6 +118,13 @@ static inline long do_sys_truncate(const char * path, loff_t length) if (IS_IMMUTABLE(inode) || IS_APPEND(inode)) goto dput_and_out; + /* + * Make sure that there are no leases. + */ + error = get_lease(inode, FMODE_WRITE); + if (error) + goto dput_and_out; + error = get_write_access(inode); if (error) goto dput_and_out; @@ -314,7 +324,8 @@ asmlinkage long sys_access(const char * filename, int mode) if (!res) { res = permission(nd.dentry->d_inode, mode); /* SuS v2 requires we report a read only fs too */ - if(!res && (mode & S_IWOTH) && IS_RDONLY(nd.dentry->d_inode)) + if(!res && (mode & S_IWOTH) && IS_RDONLY(nd.dentry->d_inode) + && !special_file(nd.dentry->d_inode->i_mode)) res = -EROFS; path_release(&nd); } @@ -790,6 +801,7 @@ int filp_close(struct file *filp, fl_owner_t id) retval = filp->f_op->flush(filp); unlock_kernel(); } + fcntl_dirnotify(0, filp, 0); locks_remove_posix(filp, id); fput(filp); return retval; |