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| author | Christoph Hellwig <hch@lst.de> | 2010-06-04 11:29:55 +0200 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2010-08-09 16:47:31 -0400 |
| commit | 282dc178849882289d30e58b54be6b2799b351aa (patch) | |
| tree | 4c6697cdf2d914889e002f32af6bf51bb2750063 /fs/buffer.c | |
| parent | ea0f04e59543bafb3d2cbe37a0d375acb0bb2c34 (diff) | |
| download | lwn-282dc178849882289d30e58b54be6b2799b351aa.tar.gz lwn-282dc178849882289d30e58b54be6b2799b351aa.zip | |
get rid of cont_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 cont_write_begin.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/buffer.c')
| -rw-r--r-- | fs/buffer.c | 21 |
1 files changed, 1 insertions, 20 deletions
diff --git a/fs/buffer.c b/fs/buffer.c index 559daf76bca4..14529ec759b9 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -2351,7 +2351,7 @@ out: * For moronic filesystems that do not allow holes in file. * We may have to extend the file. */ -int cont_write_begin_newtrunc(struct file *file, struct address_space *mapping, +int cont_write_begin(struct file *file, struct address_space *mapping, loff_t pos, unsigned len, unsigned flags, struct page **pagep, void **fsdata, get_block_t *get_block, loff_t *bytes) @@ -2377,25 +2377,6 @@ int cont_write_begin_newtrunc(struct file *file, struct address_space *mapping, out: return err; } -EXPORT_SYMBOL(cont_write_begin_newtrunc); - -int cont_write_begin(struct file *file, struct address_space *mapping, - loff_t pos, unsigned len, unsigned flags, - struct page **pagep, void **fsdata, - get_block_t *get_block, loff_t *bytes) -{ - int ret; - - ret = cont_write_begin_newtrunc(file, mapping, pos, len, flags, - pagep, fsdata, get_block, bytes); - if (unlikely(ret)) { - loff_t isize = mapping->host->i_size; - if (pos + len > isize) - vmtruncate(mapping->host, isize); - } - - return ret; -} EXPORT_SYMBOL(cont_write_begin); int block_prepare_write(struct page *page, unsigned from, unsigned to, |