Btrfs: Back port to 2.6.18-el kernels
Signed-off-by: Chris Mason <chris.mason@oracle.com>
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index 62fcd79..461b096 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -231,7 +231,7 @@
{
int err = 0;
int i;
- struct inode *inode = file->f_path.dentry->d_inode;
+ struct inode *inode = fdentry(file)->d_inode;
struct extent_map *em;
struct extent_map_tree *em_tree = &BTRFS_I(inode)->extent_tree;
u64 hint_byte;
@@ -652,7 +652,7 @@
{
int i;
unsigned long index = pos >> PAGE_CACHE_SHIFT;
- struct inode *inode = file->f_path.dentry->d_inode;
+ struct inode *inode = fdentry(file)->d_inode;
int err = 0;
u64 start_pos;
@@ -666,7 +666,11 @@
err = -ENOMEM;
BUG_ON(1);
}
+#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,18)
+ ClearPageDirty(pages[i]);
+#else
cancel_dirty_page(pages[i], PAGE_CACHE_SIZE);
+#endif
wait_on_page_writeback(pages[i]);
set_page_extent_mapped(pages[i]);
WARN_ON(!PageLocked(pages[i]));
@@ -682,7 +686,7 @@
ssize_t num_written = 0;
ssize_t err = 0;
int ret = 0;
- struct inode *inode = file->f_path.dentry->d_inode;
+ struct inode *inode = fdentry(file)->d_inode;
struct btrfs_root *root = BTRFS_I(inode)->root;
struct page **pages = NULL;
int nrptrs;
@@ -707,7 +711,7 @@
goto out;
if (count == 0)
goto out;
- err = remove_suid(file->f_path.dentry);
+ err = remove_suid(fdentry(file));
if (err)
goto out;
file_update_time(file);
@@ -862,6 +866,9 @@
.read = do_sync_read,
.aio_read = generic_file_aio_read,
.splice_read = generic_file_splice_read,
+#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,18)
+ .sendfile = generic_file_sendfile,
+#endif
.write = btrfs_file_write,
.mmap = btrfs_file_mmap,
.open = generic_file_open,