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| author | Christoph Hellwig <hch@lst.de> | 2010-06-04 11:29:58 +0200 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2010-08-09 16:47:33 -0400 |
| commit | 155130a4f7848b1aac439cab6bda1a175507c71c (patch) | |
| tree | 5019b14b0a9221b08959196e01e3f9326957d678 /fs/xfs/linux-2.6/xfs_aops.c | |
| parent | 6e1db88d536adcbbfe562b2d4b7d6425784fff12 (diff) | |
| download | lwn-155130a4f7848b1aac439cab6bda1a175507c71c.tar.gz lwn-155130a4f7848b1aac439cab6bda1a175507c71c.zip | |
get rid of block_write_begin_newtrunc
Move the call to vmtruncate to get rid of accessive blocks to the callers
in preparation of the new truncate sequence and rename the non-truncating
version to block_write_begin.
While we're at it also remove several unused arguments to block_write_begin.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/xfs/linux-2.6/xfs_aops.c')
| -rw-r--r-- | fs/xfs/linux-2.6/xfs_aops.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/fs/xfs/linux-2.6/xfs_aops.c b/fs/xfs/linux-2.6/xfs_aops.c index 7968d41e27ad..bf7aad0d78b8 100644 --- a/fs/xfs/linux-2.6/xfs_aops.c +++ b/fs/xfs/linux-2.6/xfs_aops.c @@ -1504,9 +1504,17 @@ xfs_vm_write_begin( struct page **pagep, void **fsdata) { - *pagep = NULL; - return block_write_begin(file, mapping, pos, len, flags | AOP_FLAG_NOFS, - pagep, fsdata, xfs_get_blocks); + int ret; + + ret = block_write_begin(mapping, pos, len, flags | AOP_FLAG_NOFS, + pagep, xfs_get_blocks); + if (unlikely(ret)) { + loff_t isize = mapping->host->i_size; + if (pos + len > isize) + vmtruncate(mapping->host, isize); + } + + return ret; } STATIC sector_t |