litmus-rt.git - The LITMUS^RT kernel.

diff options

Diffstat (limited to 'fs/xfs/xfs_fsops.c')

-rw-r--r--

1 files changed, 1 insertions, 1 deletions


diff --git a/fs/xfs/xfs_fsops.c b/fs/xfs/xfs_fsops.c index 56caa88713ab..dfa3527b20a7 100644 --- a/fs/xfs/xfs_fsops.c +++ b/fs/xfs/xfs_fsops.c
@@ -477,7 +477,7 @@ xfs_fs_counts(
477	*	477	*
478	* xfs_reserve_blocks is called to set m_resblks	478	* xfs_reserve_blocks is called to set m_resblks
479	* in the in-core mount table. The number of unused reserved blocks	479	* in the in-core mount table. The number of unused reserved blocks
480	* is kept in m_resbls_avail.	480	* is kept in m_resblks_avail.
481	*	481	*
482	* Reserve the requested number of blocks if available. Otherwise return	482	* Reserve the requested number of blocks if available. Otherwise return
483	* as many as possible to satisfy the request. The actual number	483	* as many as possible to satisfy the request. The actual number

/* * Re-map IO memory to kernel address space so that we can access it. * This is needed for high PCI addresses that aren't mapped in the * 640k-1MB IO memory area on PC's * * (C) Copyright 1995 1996 Linus Torvalds */ #include <linux/vmalloc.h> #include <linux/mm.h> #include <linux/sched.h> #include <linux/io.h> #include <asm/cacheflush.h> #include <asm/pgtable.h> static int ioremap_pte_range(pmd_t *pmd, unsigned long addr, unsigned long end, unsigned long phys_addr, pgprot_t prot) { pte_t *pte; unsigned long pfn; pfn = phys_addr >> PAGE_SHIFT; pte = pte_alloc_kernel(pmd, addr); if (!pte) return -ENOMEM; do { BUG_ON(!pte_none(*pte)); set_pte_at(&init_mm, addr, pte, pfn_pte(pfn, prot)); pfn++; } while (pte++, addr += PAGE_SIZE, addr != end); return 0; } static inline int ioremap_pmd_range(pud_t *pud, unsigned long addr, unsigned long end, unsigned long phys_addr, pgprot_t prot) { pmd_t *pmd; unsigned long next; phys_addr -= addr; pmd = pmd_alloc(&init_mm, pud, addr); if (!pmd) return -ENOMEM; do { next = pmd_addr_end(addr, end); if (ioremap_pte_range(pmd, addr, next, phys_addr + addr, prot)) return -ENOMEM; } while (pmd++, addr = next, addr != end); return 0; } static inline int ioremap_pud_range(pgd_t *pgd, unsigned long addr, unsigned long end, unsigned long phys_addr, pgprot_t prot) { pud_t *pud; unsigned long next; phys_addr -= addr; pud = pud_alloc(&init_mm, pgd, addr); if (!pud) return -ENOMEM; do { next = pud_addr_end(addr, end); if (ioremap_pmd_range(pud, addr, next, phys_addr + addr, prot)) return -ENOMEM; } while (pud++, addr = next, addr != end); return 0; } int ioremap_page_range(unsigned long addr,


context:
space:
mode: