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truncate: use new helpers

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Update some fs code to make use of new helper functions introduced
in the previous patch. Should be no significant change in behaviour
(except CIFS now calls send_sig under i_lock, via inode_newsize_ok).

Reviewed-by: Christoph Hellwig <hch@lst.de>
Acked-by: Miklos Szeredi <miklos@szeredi.hu>
Cc: linux-nfs@vger.kernel.org
Cc: Trond.Myklebust@netapp.com
Cc: linux-cifs-client@lists.samba.org
Cc: sfrench@samba.org
Signed-off-by: Nick Piggin <npiggin@suse.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
npiggin@suse.de 2009-08-21 02:35:06 +10:00 • committed by al
parent 25d9e2d152
commit c08d3b0e33
7 changed files with 33 additions and 125 deletions
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10
fs/buffer.c
View file

@ -2239,16 +2239,10 @@ int generic_cont_expand_simple(struct inode *inode, loff_t size)
struct address_space *mapping = inode->i_mapping;
struct page *page;
void *fsdata;
unsigned long limit;
int err;
err = -EFBIG;
limit = current->signal->rlim[RLIMIT_FSIZE].rlim_cur;
if (limit != RLIM_INFINITY && size > (loff_t)limit) {
send_sig(SIGXFSZ, current, 0);
goto out;
}
if (size > inode->i_sb->s_maxbytes)
err = inode_newsize_ok(inode, size);
if (err)
goto out;
err = pagecache_write_begin(NULL, mapping, size, 0,