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authorJiri Kosina <jkosina@suse.cz>2013-01-29 10:48:30 +0100
committerJiri Kosina <jkosina@suse.cz>2013-01-29 10:48:30 +0100
commit617677295b53a40d0e54aac4cbbc216ffbc755dd (patch)
tree51b9e87213243ed5efff252c8e8d8fec4eebc588 /fs/jfs
parent5c8d1b68e01a144813e38795fe6dbe7ebb506131 (diff)
parent6abb7c25775b7fb2225ad0508236d63ca710e65f (diff)
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Merge branch 'master' into for-next
Conflicts: drivers/devfreq/exynos4_bus.c Sync with Linus' tree to be able to apply patches that are against newer code (mvneta).
Diffstat (limited to 'fs/jfs')
-rw-r--r--fs/jfs/file.c6
-rw-r--r--fs/jfs/inode.c20
2 files changed, 18 insertions, 8 deletions
diff --git a/fs/jfs/file.c b/fs/jfs/file.c
index 9d3afd157f99..dd7442c58358 100644
--- a/fs/jfs/file.c
+++ b/fs/jfs/file.c
@@ -119,9 +119,12 @@ int jfs_setattr(struct dentry *dentry, struct iattr *iattr)
iattr->ia_size != i_size_read(inode)) {
inode_dio_wait(inode);
- rc = vmtruncate(inode, iattr->ia_size);
+ rc = inode_newsize_ok(inode, iattr->ia_size);
if (rc)
return rc;
+
+ truncate_setsize(inode, iattr->ia_size);
+ jfs_truncate(inode);
}
setattr_copy(inode, iattr);
@@ -133,7 +136,6 @@ int jfs_setattr(struct dentry *dentry, struct iattr *iattr)
}
const struct inode_operations jfs_file_inode_operations = {
- .truncate = jfs_truncate,
.setxattr = jfs_setxattr,
.getxattr = jfs_getxattr,
.listxattr = jfs_listxattr,
diff --git a/fs/jfs/inode.c b/fs/jfs/inode.c
index 4692bf3ca8cb..b7dc47ba675e 100644
--- a/fs/jfs/inode.c
+++ b/fs/jfs/inode.c
@@ -300,6 +300,16 @@ static int jfs_readpages(struct file *file, struct address_space *mapping,
return mpage_readpages(mapping, pages, nr_pages, jfs_get_block);
}
+static void jfs_write_failed(struct address_space *mapping, loff_t to)
+{
+ struct inode *inode = mapping->host;
+
+ if (to > inode->i_size) {
+ truncate_pagecache(inode, to, inode->i_size);
+ jfs_truncate(inode);
+ }
+}
+
static int jfs_write_begin(struct file *file, struct address_space *mapping,
loff_t pos, unsigned len, unsigned flags,
struct page **pagep, void **fsdata)
@@ -308,11 +318,8 @@ static int jfs_write_begin(struct file *file, struct address_space *mapping,
ret = nobh_write_begin(mapping, pos, len, flags, pagep, fsdata,
jfs_get_block);
- if (unlikely(ret)) {
- loff_t isize = mapping->host->i_size;
- if (pos + len > isize)
- vmtruncate(mapping->host, isize);
- }
+ if (unlikely(ret))
+ jfs_write_failed(mapping, pos + len);
return ret;
}
@@ -326,6 +333,7 @@ static ssize_t jfs_direct_IO(int rw, struct kiocb *iocb,
const struct iovec *iov, loff_t offset, unsigned long nr_segs)
{
struct file *file = iocb->ki_filp;
+ struct address_space *mapping = file->f_mapping;
struct inode *inode = file->f_mapping->host;
ssize_t ret;
@@ -341,7 +349,7 @@ static ssize_t jfs_direct_IO(int rw, struct kiocb *iocb,
loff_t end = offset + iov_length(iov, nr_segs);
if (end > isize)
- vmtruncate(inode, isize);
+ jfs_write_failed(mapping, end);
}
return ret;