2012-10-06 08:32:57

by Marco Stornelli

[permalink] [raw]
Subject: [PATCH 10/22] hfs: drop vmtruncate

Removed vmtruncate.

Signed-off-by: Marco Stornelli <[email protected]>
---
fs/hfs/inode.c | 19 +++++++++++++------
1 files changed, 13 insertions(+), 6 deletions(-)

diff --git a/fs/hfs/inode.c b/fs/hfs/inode.c
index 0b35903..e0b2c23 100644
--- a/fs/hfs/inode.c
+++ b/fs/hfs/inode.c
@@ -47,8 +47,11 @@ static int hfs_write_begin(struct file *file, struct address_space *mapping,
&HFS_I(mapping->host)->phys_size);
if (unlikely(ret)) {
loff_t isize = mapping->host->i_size;
- if (pos + len > isize)
- vmtruncate(mapping->host, isize);
+ if ((pos + len > isize) &&
+ inode_newsize_ok(mapping->host, isize) == 0) {
+ truncate_setsize(mapping->host, isize);
+ hfs_file_truncate(mapping->host);
+ }
}

return ret;
@@ -134,8 +137,10 @@ static ssize_t hfs_direct_IO(int rw, struct kiocb *iocb,
loff_t isize = i_size_read(inode);
loff_t end = offset + iov_length(iov, nr_segs);

- if (end > isize)
- vmtruncate(inode, isize);
+ if ((end > isize) && inode_newsize_ok(inode, isize) == 0) {
+ truncate_setsize(inode, isize);
+ hfs_file_truncate(inode);
+ }
}

return ret;
@@ -617,9 +622,12 @@ int hfs_inode_setattr(struct dentry *dentry, struct iattr * attr)
attr->ia_size != i_size_read(inode)) {
inode_dio_wait(inode);

- error = vmtruncate(inode, attr->ia_size);
+ error = inode_newsize_ok(inode, attr->ia_size);
if (error)
return error;
+
+ truncate_setsize(inode, attr->ia_size);
+ hfs_file_truncate(inode);
}

setattr_copy(inode, attr);
@@ -668,7 +676,6 @@ static const struct file_operations hfs_file_operations = {

static const struct inode_operations hfs_file_inode_operations = {
.lookup = hfs_file_lookup,
- .truncate = hfs_file_truncate,
.setattr = hfs_inode_setattr,
.setxattr = hfs_setxattr,
.getxattr = hfs_getxattr,
--
1.7.3.4