diff options
| author | Jan Kara <jack@suse.cz> | 2005-05-01 08:59:07 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-05-01 08:59:07 -0700 |
| commit | 127144df4ce817ad648af15a3983c8d52aacf670 (patch) | |
| tree | df064ec8a482ac88686b8c183f4b99d1e769095d /fs/reiserfs/file.c | |
| parent | 40be0c28b33ff0821594a3fa7126354dfe6eccd1 (diff) | |
[PATCH] Fix rewriting on a full reiserfs filesystem
Allow rewriting of a file and extending a file upto the end of the
allocated block on a full filesystem.
From: Chris Mason <mason@suse.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'fs/reiserfs/file.c')
| -rw-r--r-- | fs/reiserfs/file.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/fs/reiserfs/file.c b/fs/reiserfs/file.c index 26950113af8c..f6860e83521d 100644 --- a/fs/reiserfs/file.c +++ b/fs/reiserfs/file.c @@ -1284,10 +1284,11 @@ static ssize_t reiserfs_file_write( struct file *file, /* the file we are going 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. |