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-rw-r--r--fs/omfs/file.c36
-rw-r--r--fs/omfs/inode.c9
2 files changed, 39 insertions, 6 deletions
diff --git a/fs/omfs/file.c b/fs/omfs/file.c
index 6e7a3291bbe8..5542c284dc1c 100644
--- a/fs/omfs/file.c
+++ b/fs/omfs/file.c
@@ -312,9 +312,17 @@ static int omfs_write_begin(struct file *file, struct address_space *mapping,
loff_t pos, unsigned len, unsigned flags,
struct page **pagep, void **fsdata)
{
- *pagep = NULL;
- return block_write_begin(file, mapping, pos, len, flags,
- pagep, fsdata, omfs_get_block);
+ int ret;
+
+ ret = block_write_begin(mapping, pos, len, flags, pagep,
+ omfs_get_block);
+ if (unlikely(ret)) {
+ loff_t isize = mapping->host->i_size;
+ if (pos + len > isize)
+ vmtruncate(mapping->host, isize);
+ }
+
+ return ret;
}
static sector_t omfs_bmap(struct address_space *mapping, sector_t block)
@@ -333,7 +341,29 @@ const struct file_operations omfs_file_operations = {
.splice_read = generic_file_splice_read,
};
+static int omfs_setattr(struct dentry *dentry, struct iattr *attr)
+{
+ struct inode *inode = dentry->d_inode;
+ int error;
+
+ error = inode_change_ok(inode, attr);
+ if (error)
+ return error;
+
+ if ((attr->ia_valid & ATTR_SIZE) &&
+ attr->ia_size != i_size_read(inode)) {
+ error = vmtruncate(inode, attr->ia_size);
+ if (error)
+ return error;
+ }
+
+ setattr_copy(inode, attr);
+ mark_inode_dirty(inode);
+ return 0;
+}
+
const struct inode_operations omfs_file_inops = {
+ .setattr = omfs_setattr,
.truncate = omfs_truncate
};
diff --git a/fs/omfs/inode.c b/fs/omfs/inode.c
index 089839a6cc64..56121debc22b 100644
--- a/fs/omfs/inode.c
+++ b/fs/omfs/inode.c
@@ -175,9 +175,13 @@ int omfs_sync_inode(struct inode *inode)
* called when an entry is deleted, need to clear the bits in the
* bitmaps.
*/
-static void omfs_delete_inode(struct inode *inode)
+static void omfs_evict_inode(struct inode *inode)
{
truncate_inode_pages(&inode->i_data, 0);
+ end_writeback(inode);
+
+ if (inode->i_nlink)
+ return;
if (S_ISREG(inode->i_mode)) {
inode->i_size = 0;
@@ -185,7 +189,6 @@ static void omfs_delete_inode(struct inode *inode)
}
omfs_clear_range(inode->i_sb, inode->i_ino, 2);
- clear_inode(inode);
}
struct inode *omfs_iget(struct super_block *sb, ino_t ino)
@@ -284,7 +287,7 @@ static int omfs_statfs(struct dentry *dentry, struct kstatfs *buf)
static const struct super_operations omfs_sops = {
.write_inode = omfs_write_inode,
- .delete_inode = omfs_delete_inode,
+ .evict_inode = omfs_evict_inode,
.put_super = omfs_put_super,
.statfs = omfs_statfs,
.show_options = generic_show_options,