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udf: support files larger than 1G

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Make UDF work correctly for files larger than 1GB.  As no extent can be
longer than (1<<30)-blocksize bytes, we have to create several extents if a
big hole is being created.  As a side-effect, we now don't discard
preallocated blocks when creating a hole.

Signed-off-by: Jan Kara <jack@suse.cz>
Acked-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Jan Kara
2007-05-08 00:35:21 -07:00
committed by Linus Torvalds
parent 948b9b2c96
commit 31170b6ad4
3 changed files with 180 additions and 82 deletions
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fs/udf/super.c
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@@ -1661,7 +1661,7 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent)
iput(inode);
goto error_out;
}
sb->s_maxbytes = 1<<30;
sb->s_maxbytes = MAX_LFS_FILESIZE;
return 0;
error_out: