From a1b32a5932cfac7c38b442582285f3da2a09dfd8 Mon Sep 17 00:00:00 2001 From: Chris Mason Date: Fri, 5 Sep 2008 16:09:51 -0400 Subject: Btrfs: Add debugging checks to track down corrupted metadata Signed-off-by: Chris Mason --- fs/btrfs/file.c | 15 ++++++++------- 1 file changed, 8 insertions(+), 7 deletions(-) (limited to 'fs/btrfs/file.c') diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index eb8e4556fa7..e9e86fbaa24 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c @@ -39,9 +39,10 @@ #include "compat.h" -static int btrfs_copy_from_user(loff_t pos, int num_pages, int write_bytes, - struct page **prepared_pages, - const char __user * buf) +static int noinline btrfs_copy_from_user(loff_t pos, int num_pages, + int write_bytes, + struct page **prepared_pages, + const char __user * buf) { long page_fault = 0; int i; @@ -69,7 +70,7 @@ static int btrfs_copy_from_user(loff_t pos, int num_pages, int write_bytes, return page_fault ? -EFAULT : 0; } -static void btrfs_drop_pages(struct page **pages, size_t num_pages) +static void noinline btrfs_drop_pages(struct page **pages, size_t num_pages) { size_t i; for (i = 0; i < num_pages; i++) { @@ -359,7 +360,7 @@ out_unlock: return err; } -int btrfs_drop_extent_cache(struct inode *inode, u64 start, u64 end) +int noinline btrfs_drop_extent_cache(struct inode *inode, u64 start, u64 end) { struct extent_map *em; struct extent_map *split = NULL; @@ -515,7 +516,7 @@ out: * it is either truncated or split. Anything entirely inside the range * is deleted from the tree. */ -int btrfs_drop_extents(struct btrfs_trans_handle *trans, +int noinline btrfs_drop_extents(struct btrfs_trans_handle *trans, struct btrfs_root *root, struct inode *inode, u64 start, u64 end, u64 inline_limit, u64 *hint_byte) { @@ -785,7 +786,7 @@ out: /* * this gets pages into the page cache and locks them down */ -static int prepare_pages(struct btrfs_root *root, struct file *file, +static int noinline prepare_pages(struct btrfs_root *root, struct file *file, struct page **pages, size_t num_pages, loff_t pos, unsigned long first_index, unsigned long last_index, size_t write_bytes) -- cgit v1.2.3-18-g5258