Messages in this thread | | | Date | Fri, 16 Nov 2012 14:39:32 +0800 | From | Jaegeuk Hanse <> | Subject | Re: [PATCH 20/21] mm: drop vmtruncate |
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On 11/03/2012 05:32 PM, Marco Stornelli wrote: > Removed vmtruncate
Hi Marco,
Could you explain me why vmtruncate need remove? What's the problem and how to substitute it?
Regards, Jaegeuk
> > Signed-off-by: Marco Stornelli <marco.stornelli@gmail.com> > --- > include/linux/mm.h | 1 - > mm/truncate.c | 23 ----------------------- > 2 files changed, 0 insertions(+), 24 deletions(-) > > diff --git a/include/linux/mm.h b/include/linux/mm.h > index fa06804..95f70bb 100644 > --- a/include/linux/mm.h > +++ b/include/linux/mm.h > @@ -977,7 +977,6 @@ static inline void unmap_shared_mapping_range(struct address_space *mapping, > > extern void truncate_pagecache(struct inode *inode, loff_t old, loff_t new); > extern void truncate_setsize(struct inode *inode, loff_t newsize); > -extern int vmtruncate(struct inode *inode, loff_t offset); > void truncate_pagecache_range(struct inode *inode, loff_t offset, loff_t end); > int truncate_inode_page(struct address_space *mapping, struct page *page); > int generic_error_remove_page(struct address_space *mapping, struct page *page); > diff --git a/mm/truncate.c b/mm/truncate.c > index d51ce92..c75b736 100644 > --- a/mm/truncate.c > +++ b/mm/truncate.c > @@ -577,29 +577,6 @@ void truncate_setsize(struct inode *inode, loff_t newsize) > EXPORT_SYMBOL(truncate_setsize); > > /** > - * vmtruncate - unmap mappings "freed" by truncate() syscall > - * @inode: inode of the file used > - * @newsize: file offset to start truncating > - * > - * This function is deprecated and truncate_setsize or truncate_pagecache > - * should be used instead, together with filesystem specific block truncation. > - */ > -int vmtruncate(struct inode *inode, loff_t newsize) > -{ > - int error; > - > - error = inode_newsize_ok(inode, newsize); > - if (error) > - return error; > - > - truncate_setsize(inode, newsize); > - if (inode->i_op->truncate) > - inode->i_op->truncate(inode); > - return 0; > -} > -EXPORT_SYMBOL(vmtruncate); > - > -/** > * truncate_pagecache_range - unmap and remove pagecache that is hole-punched > * @inode: inode > * @lstart: offset of beginning of hole
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