diff options
Diffstat (limited to 'fs/open.c')
| -rw-r--r-- | fs/open.c | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/fs/open.c b/fs/open.c index 1e914b397e12..bc132e167d2d 100644 --- a/fs/open.c +++ b/fs/open.c @@ -164,11 +164,13 @@ static long do_sys_ftruncate(unsigned int fd, loff_t length, int small) if (IS_APPEND(inode)) goto out_putf; + sb_start_write(inode->i_sb); error = locks_verify_truncate(inode, file, length); if (!error) error = security_path_truncate(&file->f_path); if (!error) error = do_truncate(dentry, length, ATTR_MTIME|ATTR_CTIME, file); + sb_end_write(inode->i_sb); out_putf: fput(file); out: @@ -266,7 +268,10 @@ int do_fallocate(struct file *file, int mode, loff_t offset, loff_t len) if (!file->f_op->fallocate) return -EOPNOTSUPP; - return file->f_op->fallocate(file, mode, offset, len); + sb_start_write(inode->i_sb); + ret = file->f_op->fallocate(file, mode, offset, len); + sb_end_write(inode->i_sb); + return ret; } SYSCALL_DEFINE(fallocate)(int fd, int mode, loff_t offset, loff_t len) @@ -620,7 +625,7 @@ static inline int __get_file_write_access(struct inode *inode, /* * Balanced in __fput() */ - error = mnt_want_write(mnt); + error = __mnt_want_write(mnt); if (error) put_write_access(inode); } @@ -654,6 +659,7 @@ static int do_dentry_open(struct file *f, if (unlikely(f->f_flags & O_PATH)) f->f_mode = FMODE_PATH; + path_get(&f->f_path); inode = f->f_path.dentry->d_inode; if (f->f_mode & FMODE_WRITE) { error = __get_file_write_access(inode, f->f_path.mnt); @@ -711,7 +717,7 @@ cleanup_all: * here, so just reset the state. */ file_reset_write(f); - mnt_drop_write(f->f_path.mnt); + __mnt_drop_write(f->f_path.mnt); } } cleanup_file: @@ -739,9 +745,7 @@ int finish_open(struct file *file, struct dentry *dentry, int error; BUG_ON(*opened & FILE_OPENED); /* once it's opened, it's opened */ - mntget(file->f_path.mnt); - file->f_path.dentry = dget(dentry); - + file->f_path.dentry = dentry; error = do_dentry_open(file, open, current_cred()); if (!error) *opened |= FILE_OPENED; @@ -784,7 +788,6 @@ struct file *dentry_open(const struct path *path, int flags, f->f_flags = flags; f->f_path = *path; - path_get(&f->f_path); error = do_dentry_open(f, NULL, cred); if (!error) { error = open_check_o_direct(f); |