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- #ifdef NTFS_RW
- #include <linux/fs.h>
- #include <linux/highmem.h>
- #include <linux/mm.h>
- #include "aops.h"
- #include "debug.h"
- #include "endian.h"
- #include "time.h"
- #include "types.h"
- #include "usnjrnl.h"
- #include "volume.h"
- bool ntfs_stamp_usnjrnl(ntfs_volume *vol)
- {
- ntfs_debug("Entering.");
- if (likely(!NVolUsnJrnlStamped(vol))) {
- sle64 stamp;
- struct page *page;
- USN_HEADER *uh;
- page = ntfs_map_page(vol->usnjrnl_max_ino->i_mapping, 0);
- if (IS_ERR(page)) {
- ntfs_error(vol->sb, "Failed to read from "
- "$UsnJrnl/$DATA/$Max attribute.");
- return false;
- }
- uh = (USN_HEADER*)page_address(page);
- stamp = get_current_ntfs_time();
- ntfs_debug("Stamping transaction log ($UsnJrnl): old "
- "journal_id 0x%llx, old lowest_valid_usn "
- "0x%llx, new journal_id 0x%llx, new "
- "lowest_valid_usn 0x%llx.",
- (long long)sle64_to_cpu(uh->journal_id),
- (long long)sle64_to_cpu(uh->lowest_valid_usn),
- (long long)sle64_to_cpu(stamp),
- i_size_read(vol->usnjrnl_j_ino));
- uh->lowest_valid_usn =
- cpu_to_sle64(i_size_read(vol->usnjrnl_j_ino));
- uh->journal_id = stamp;
- flush_dcache_page(page);
- set_page_dirty(page);
- ntfs_unmap_page(page);
-
- NVolSetUsnJrnlStamped(vol);
- }
- ntfs_debug("Done.");
- return true;
- }
- #endif
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