diff options
Diffstat (limited to 'fs/omfs')
| -rw-r--r-- | fs/omfs/file.c | 36 | ||||
| -rw-r--r-- | fs/omfs/inode.c | 9 |
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, |