From: Jan Kara Allow rewriting of a file and extending a file upto the end of the allocated block on a full filesystem. From: Chris Mason Signed-off-by: Jan Kara Signed-off-by: Andrew Morton --- fs/reiserfs/file.c | 9 +++++---- 1 files changed, 5 insertions(+), 4 deletions(-) diff -puN fs/reiserfs/file.c~fix-rewriting-on-a-full-reiserfs-filesystem fs/reiserfs/file.c --- 25/fs/reiserfs/file.c~fix-rewriting-on-a-full-reiserfs-filesystem 2005-02-02 21:16:15.000000000 -0800 +++ 25-akpm/fs/reiserfs/file.c 2005-04-25 18:37:49.109126832 -0700 @@ -1284,10 +1284,11 @@ static ssize_t reiserfs_file_write( stru reiserfs_claim_blocks_to_be_allocated(inode->i_sb, num_pages << (PAGE_CACHE_SHIFT - inode->i_blkbits)); reiserfs_write_unlock(inode->i_sb); - if ( !num_pages ) { /* If we do not have enough space even for */ - res = -ENOSPC; /* single page, return -ENOSPC */ - if ( pos > (inode->i_size & (inode->i_sb->s_blocksize-1))) - break; // In case we are writing past the file end, break. + if ( !num_pages ) { /* If we do not have enough space even for a single page... */ + if ( pos > inode->i_size+inode->i_sb->s_blocksize-(pos & (inode->i_sb->s_blocksize-1))) { + res = -ENOSPC; + break; // In case we are writing past the end of the last file block, break. + } // Otherwise we are possibly overwriting the file, so // let's set write size to be equal or less than blocksize. // This way we get it correctly for file holes. _