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fs: convert simple fs to new truncate

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Convert simple filesystems: ramfs, configfs, sysfs, block_dev to new truncate
sequence.

Cc: Christoph Hellwig <[email protected]>
Signed-off-by: Nick Piggin <[email protected]>
Signed-off-by: Al Viro <[email protected]>
This commit is contained in:
Nick Piggin 2010-05-27 22:42:19 +10:00 • committed by Al Viro
commit 3322e79a38
5 changed files with 15 additions and 19 deletions
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1
fs/ramfs/file-mmu.c
View file

@ -50,5 +50,6 @@ const struct file_operations ramfs_file_operations = {
};
const struct inode_operations ramfs_file_inode_operations = {
.setattr = simple_setattr,
.getattr = simple_getattr,
};

7
fs/ramfs/file-nommu.c
View file

@ -146,7 +146,7 @@ static int ramfs_nommu_resize(struct inode *inode, loff_t newsize, loff_t size)
return ret;
}
ret = vmtruncate(inode, newsize);
ret = simple_setsize(inode, newsize);
return ret;
}
@ -169,7 +169,8 @@ static int ramfs_nommu_setattr(struct dentry *dentry, struct iattr *ia)
/* pick out size-changing events */
if (ia->ia_valid & ATTR_SIZE) {
loff_t size = i_size_read(inode);
loff_t size = inode->i_size;
if (ia->ia_size != size) {
ret = ramfs_nommu_resize(inode, ia->ia_size, size);
if (ret < 0 || ia->ia_valid == ATTR_SIZE)
@ -182,7 +183,7 @@ static int ramfs_nommu_setattr(struct dentry *dentry, struct iattr *ia)
}
}
ret = inode_setattr(inode, ia);
generic_setattr(inode, ia);
out:
ia->ia_valid = old_ia_valid;
return ret;