[PATCH] mutex subsystem, semaphore to mutex: VFS, ->i_sem
This patch converts the inode semaphore to a mutex. I have tested it on XFS and compiled as much as one can consider on an ia64. Anyway your luck with it might be different. Modified-by: Ingo Molnar <mingo@elte.hu> (finished the conversion) Signed-off-by: Jes Sorensen <jes@sgi.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Ingo Molnar
parent
794ee1baee
commit
1b1dcc1b57
@@ -118,7 +118,7 @@ static int hugetlbfs_file_mmap(struct file *file, struct vm_area_struct *vma)
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vma_len = (loff_t)(vma->vm_end - vma->vm_start);
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down(&inode->i_sem);
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mutex_lock(&inode->i_mutex);
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file_accessed(file);
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vma->vm_flags |= VM_HUGETLB | VM_RESERVED;
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vma->vm_ops = &hugetlb_vm_ops;
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@@ -133,7 +133,7 @@ static int hugetlbfs_file_mmap(struct file *file, struct vm_area_struct *vma)
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if (inode->i_size < len)
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inode->i_size = len;
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out:
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up(&inode->i_sem);
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mutex_unlock(&inode->i_mutex);
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return ret;
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}
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