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[PATCH] eCryptfs: convert kmap() to kmap_atomic()

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Replace kmap() with kmap_atomic().  Reduce the amount of time that mappings
are held.

Signed-off-by: Michael Halcrow <mhalcrow@us.ibm.com>
Signed-off-by: Trevor Highland <tshighla@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Michael Halcrow
2007-02-12 00:53:48 -08:00
committed by Linus Torvalds
parent 70456600f4
commit 9d8b8ce556
3 changed files with 39 additions and 94 deletions
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4
fs/ecryptfs/ecryptfs_kernel.h
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@@ -514,10 +514,6 @@ int ecryptfs_copy_page_to_lower(struct page *page, struct inode *lower_inode,
struct file *lower_file);
int ecryptfs_do_readpage(struct file *file, struct page *page,
pgoff_t lower_page_index);
int ecryptfs_grab_and_map_lower_page(struct page **lower_page,
char **lower_virt,
struct inode *lower_inode,
unsigned long lower_page_index);
int ecryptfs_writepage_and_release_lower_page(struct page *lower_page,
struct inode *lower_inode,
struct writeback_control *wbc);