diff options
| author | Paul Mackerras <paulus@samba.org> | 2007-02-08 15:03:11 +1100 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2007-02-08 15:03:11 +1100 |
| commit | d5112a4f31a361409d3c57dc9d58dd69f8014bef (patch) | |
| tree | 64771300b2191cb94d9aaf60355661a01c2ccd1a /fs/reiserfs/file.c | |
| parent | 12e86f92fcfe4f0bcab0ad7fa4088a64c60d9b38 (diff) | |
| parent | 5fad293bcbd48d9a2370020cf60e4b4a42559b12 (diff) | |
Merge branch 'for_paulus' of master.kernel.org:/pub/scm/linux/kernel/git/galak/powerpc into for-2.6.21
Diffstat (limited to 'fs/reiserfs/file.c')
| -rw-r--r-- | fs/reiserfs/file.c | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/fs/reiserfs/file.c b/fs/reiserfs/file.c index 99b6f329ba23..5109f1d5e7ff 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); @@ -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, |