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authorMiklos Szeredi <mszeredi@suse.cz>2008-04-30 00:54:41 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-04-30 08:29:50 -0700
commit854512ec358f291bcadd7daea10d6bf3704933de (patch)
treeeb587b95df2200c9765e1feb8cdf16ef3fbb9983 /fs/fuse
parent3be5a52b30aa5cf9d795b7634f728f612197b1c4 (diff)
downloadconfigs-854512ec358f291bcadd7daea10d6bf3704933de.tar.gz
fuse: clean up setting i_size in write
Extract common code for setting i_size in write functions into a common helper. Signed-off-by: Miklos Szeredi <mszeredi@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/fuse')
-rw-r--r--fs/fuse/file.c28
1 files changed, 15 insertions, 13 deletions
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index 68051f3bdf9..f0f0f278b4e 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -610,13 +610,24 @@ static int fuse_write_begin(struct file *file, struct address_space *mapping,
return 0;
}
+static void fuse_write_update_size(struct inode *inode, loff_t pos)
+{
+ struct fuse_conn *fc = get_fuse_conn(inode);
+ struct fuse_inode *fi = get_fuse_inode(inode);
+
+ spin_lock(&fc->lock);
+ fi->attr_version = ++fc->attr_version;
+ if (pos > inode->i_size)
+ i_size_write(inode, pos);
+ spin_unlock(&fc->lock);
+}
+
static int fuse_buffered_write(struct file *file, struct inode *inode,
loff_t pos, unsigned count, struct page *page)
{
int err;
size_t nres;
struct fuse_conn *fc = get_fuse_conn(inode);
- struct fuse_inode *fi = get_fuse_inode(inode);
unsigned offset = pos & (PAGE_CACHE_SIZE - 1);
struct fuse_req *req;
@@ -643,12 +654,7 @@ static int fuse_buffered_write(struct file *file, struct inode *inode,
err = -EIO;
if (!err) {
pos += nres;
- spin_lock(&fc->lock);
- fi->attr_version = ++fc->attr_version;
- if (pos > inode->i_size)
- i_size_write(inode, pos);
- spin_unlock(&fc->lock);
-
+ fuse_write_update_size(inode, pos);
if (count == PAGE_CACHE_SIZE)
SetPageUptodate(page);
}
@@ -766,12 +772,8 @@ static ssize_t fuse_direct_io(struct file *file, const char __user *buf,
}
fuse_put_request(fc, req);
if (res > 0) {
- if (write) {
- spin_lock(&fc->lock);
- if (pos > inode->i_size)
- i_size_write(inode, pos);
- spin_unlock(&fc->lock);
- }
+ if (write)
+ fuse_write_update_size(inode, pos);
*ppos = pos;
}
fuse_invalidate_attr(inode);