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Subject[PATCH 02/21] sysv: drop vmtruncate
Removed vmtruncate.

Signed-off-by: Marco Stornelli <marco.stornelli@gmail.com>
---
fs/sysv/file.c | 5 +++--
fs/sysv/itree.c | 7 +++++--
2 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/fs/sysv/file.c b/fs/sysv/file.c
index 0a65939..9d4dc68 100644
--- a/fs/sysv/file.c
+++ b/fs/sysv/file.c
@@ -41,9 +41,11 @@ static int sysv_setattr(struct dentry *dentry, struct iattr *attr)

if ((attr->ia_valid & ATTR_SIZE) &&
attr->ia_size != i_size_read(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);
+ sysv_truncate(inode);
}

setattr_copy(inode, attr);
@@ -52,7 +54,6 @@ static int sysv_setattr(struct dentry *dentry, struct iattr *attr)
}

const struct inode_operations sysv_file_inode_operations = {
- .truncate = sysv_truncate,
.setattr = sysv_setattr,
.getattr = sysv_getattr,
};
diff --git a/fs/sysv/itree.c b/fs/sysv/itree.c
index 90b54b4..0d9c9c8 100644
--- a/fs/sysv/itree.c
+++ b/fs/sysv/itree.c
@@ -473,8 +473,11 @@ static int sysv_write_begin(struct file *file, struct address_space *mapping,
ret = block_write_begin(mapping, pos, len, flags, pagep, get_block);
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);
+ sysv_truncate(mapping->host);
+ }
}

return ret;
--
1.7.3.4

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