diff options
Diffstat (limited to 'fs/reiserfs/file.c')
| -rw-r--r-- | fs/reiserfs/file.c | 24 |
1 files changed, 21 insertions, 3 deletions
diff --git a/fs/reiserfs/file.c b/fs/reiserfs/file.c index 373d862c3f8..5109f1d5e7f 100644 --- a/fs/reiserfs/file.c +++ b/fs/reiserfs/file.c @@ -48,6 +48,11 @@ static int reiserfs_file_release(struct inode *inode, struct file *filp) } mutex_lock(&inode->i_mutex); + + mutex_lock(&(REISERFS_I(inode)->i_mmap)); + if (REISERFS_I(inode)->i_flags & i_ever_mapped) + REISERFS_I(inode)->i_flags &= ~i_pack_on_close_mask; + reiserfs_write_lock(inode->i_sb); /* freeing preallocation only involves relogging blocks that * are already in the current transaction. preallocation gets @@ -100,11 +105,24 @@ static int reiserfs_file_release(struct inode *inode, struct file *filp) err = reiserfs_truncate_file(inode, 0); } out: + mutex_unlock(&(REISERFS_I(inode)->i_mmap)); mutex_unlock(&inode->i_mutex); reiserfs_write_unlock(inode->i_sb); return err; } +static int reiserfs_file_mmap(struct file *file, struct vm_area_struct *vma) +{ + struct inode *inode; + + inode = file->f_path.dentry->d_inode; + mutex_lock(&(REISERFS_I(inode)->i_mmap)); + REISERFS_I(inode)->i_flags |= i_ever_mapped; + mutex_unlock(&(REISERFS_I(inode)->i_mmap)); + + return generic_file_mmap(file, vma); +} + static void reiserfs_vfs_truncate_file(struct inode *inode) { reiserfs_truncate_file(inode, 1); @@ -1288,7 +1306,7 @@ static ssize_t reiserfs_file_write(struct file *file, /* the file we are going t loff_t pos; // Current position in the file. ssize_t res; // return value of various functions that we call. int err = 0; - struct inode *inode = file->f_dentry->d_inode; // Inode of the file that we are writing to. + struct inode *inode = file->f_path.dentry->d_inode; // Inode of the file that we are writing to. /* To simplify coding at this time, we store locked pages in array for now */ struct page *prepared_pages[REISERFS_WRITE_PAGES_AT_A_TIME]; @@ -1335,7 +1353,7 @@ static ssize_t reiserfs_file_write(struct file *file, /* the file we are going t if (count == 0) goto out; - res = remove_suid(file->f_dentry); + res = remove_suid(file->f_path.dentry); if (res) goto out; @@ -1527,7 +1545,7 @@ const struct file_operations reiserfs_file_operations = { #ifdef CONFIG_COMPAT .compat_ioctl = reiserfs_compat_ioctl, #endif - .mmap = generic_file_mmap, + .mmap = reiserfs_file_mmap, .open = generic_file_open, .release = reiserfs_file_release, .fsync = reiserfs_sync_file, |