diff options
| -rw-r--r-- | fs/ocfs2/file.c | 11 | ||||
| -rw-r--r-- | fs/ocfs2/ioctl.c | 14 | ||||
| -rw-r--r-- | fs/ocfs2/journal.c | 7 | ||||
| -rw-r--r-- | fs/ocfs2/mmap.c | 2 |
4 files changed, 29 insertions, 5 deletions
diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c index 7602783d7f4..46a1f6d7510 100644 --- a/fs/ocfs2/file.c +++ b/fs/ocfs2/file.c @@ -1971,6 +1971,7 @@ int ocfs2_change_file_space(struct file *file, unsigned int cmd, { struct inode *inode = file->f_path.dentry->d_inode; struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); + int ret; if ((cmd == OCFS2_IOC_RESVSP || cmd == OCFS2_IOC_RESVSP64) && !ocfs2_writes_unwritten_extents(osb)) @@ -1985,7 +1986,12 @@ int ocfs2_change_file_space(struct file *file, unsigned int cmd, if (!(file->f_mode & FMODE_WRITE)) return -EBADF; - return __ocfs2_change_file_space(file, inode, file->f_pos, cmd, sr, 0); + ret = mnt_want_write_file(file); + if (ret) + return ret; + ret = __ocfs2_change_file_space(file, inode, file->f_pos, cmd, sr, 0); + mnt_drop_write_file(file); + return ret; } static long ocfs2_fallocate(struct file *file, int mode, loff_t offset, @@ -2261,7 +2267,7 @@ static ssize_t ocfs2_file_aio_write(struct kiocb *iocb, if (iocb->ki_left == 0) return 0; - vfs_check_frozen(inode->i_sb, SB_FREEZE_WRITE); + sb_start_write(inode->i_sb); appending = file->f_flags & O_APPEND ? 1 : 0; direct_io = file->f_flags & O_DIRECT ? 1 : 0; @@ -2436,6 +2442,7 @@ out_sems: ocfs2_iocb_clear_sem_locked(iocb); mutex_unlock(&inode->i_mutex); + sb_end_write(inode->i_sb); if (written) ret = written; diff --git a/fs/ocfs2/ioctl.c b/fs/ocfs2/ioctl.c index d96f7f81d8d..f20edcbfe70 100644 --- a/fs/ocfs2/ioctl.c +++ b/fs/ocfs2/ioctl.c @@ -928,7 +928,12 @@ long ocfs2_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) if (get_user(new_clusters, (int __user *)arg)) return -EFAULT; - return ocfs2_group_extend(inode, new_clusters); + status = mnt_want_write_file(filp); + if (status) + return status; + status = ocfs2_group_extend(inode, new_clusters); + mnt_drop_write_file(filp); + return status; case OCFS2_IOC_GROUP_ADD: case OCFS2_IOC_GROUP_ADD64: if (!capable(CAP_SYS_RESOURCE)) @@ -937,7 +942,12 @@ long ocfs2_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) if (copy_from_user(&input, (int __user *) arg, sizeof(input))) return -EFAULT; - return ocfs2_group_add(inode, &input); + status = mnt_want_write_file(filp); + if (status) + return status; + status = ocfs2_group_add(inode, &input); + mnt_drop_write_file(filp); + return status; case OCFS2_IOC_REFLINK: if (copy_from_user(&args, argp, sizeof(args))) return -EFAULT; diff --git a/fs/ocfs2/journal.c b/fs/ocfs2/journal.c index 0a42ae96dca..2dd36af79e2 100644 --- a/fs/ocfs2/journal.c +++ b/fs/ocfs2/journal.c @@ -355,11 +355,14 @@ handle_t *ocfs2_start_trans(struct ocfs2_super *osb, int max_buffs) if (journal_current_handle()) return jbd2_journal_start(journal, max_buffs); + sb_start_intwrite(osb->sb); + down_read(&osb->journal->j_trans_barrier); handle = jbd2_journal_start(journal, max_buffs); if (IS_ERR(handle)) { up_read(&osb->journal->j_trans_barrier); + sb_end_intwrite(osb->sb); mlog_errno(PTR_ERR(handle)); @@ -388,8 +391,10 @@ int ocfs2_commit_trans(struct ocfs2_super *osb, if (ret < 0) mlog_errno(ret); - if (!nested) + if (!nested) { up_read(&journal->j_trans_barrier); + sb_end_intwrite(osb->sb); + } return ret; } diff --git a/fs/ocfs2/mmap.c b/fs/ocfs2/mmap.c index 9cd41083e99..d150372fd81 100644 --- a/fs/ocfs2/mmap.c +++ b/fs/ocfs2/mmap.c @@ -136,6 +136,7 @@ static int ocfs2_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf) sigset_t oldset; int ret; + sb_start_pagefault(inode->i_sb); ocfs2_block_signals(&oldset); /* @@ -165,6 +166,7 @@ static int ocfs2_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf) out: ocfs2_unblock_signals(&oldset); + sb_end_pagefault(inode->i_sb); return ret; } |