Btrfs: don't pass the inode through clean_io_failure
authorJosef Bacik <josef@toxicpanda.com>
Fri, 5 May 2017 15:57:15 +0000 (11:57 -0400)
committerDavid Sterba <dsterba@suse.com>
Mon, 19 Jun 2017 16:25:58 +0000 (18:25 +0200)
Instead pass around the failure tree and the io tree.

Signed-off-by: Josef Bacik <jbacik@fb.com>
Reviewed-by: Chandan Rajendra <chandan@linux.vnet.ibm.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
fs/btrfs/extent_io.c
fs/btrfs/extent_io.h
fs/btrfs/inode.c

index 47ebaec85096b6ecefcc8bec01d31fa43e3e5e2a..1fcfa1d9e77acdc40152f29aa0178b0ad9d5f41a 100644 (file)
@@ -1939,11 +1939,12 @@ static void check_page_uptodate(struct extent_io_tree *tree, struct page *page)
                SetPageUptodate(page);
 }
 
-int free_io_failure(struct btrfs_inode *inode, struct io_failure_record *rec)
+int free_io_failure(struct extent_io_tree *failure_tree,
+                   struct extent_io_tree *io_tree,
+                   struct io_failure_record *rec)
 {
        int ret;
        int err = 0;
-       struct extent_io_tree *failure_tree = &inode->io_failure_tree;
 
        set_state_failrec(failure_tree, rec->start, NULL);
        ret = clear_extent_bits(failure_tree, rec->start,
@@ -1952,7 +1953,7 @@ int free_io_failure(struct btrfs_inode *inode, struct io_failure_record *rec)
        if (ret)
                err = ret;
 
-       ret = clear_extent_bits(&inode->io_tree, rec->start,
+       ret = clear_extent_bits(io_tree, rec->start,
                                rec->start + rec->len - 1,
                                EXTENT_DAMAGED);
        if (ret && !err)
@@ -2081,24 +2082,24 @@ int repair_eb_io_failure(struct btrfs_fs_info *fs_info,
  * each time an IO finishes, we do a fast check in the IO failure tree
  * to see if we need to process or clean up an io_failure_record
  */
-int clean_io_failure(struct btrfs_inode *inode, u64 start, struct page *page,
-                    unsigned int pg_offset)
+int clean_io_failure(struct btrfs_fs_info *fs_info,
+                    struct extent_io_tree *failure_tree,
+                    struct extent_io_tree *io_tree, u64 start,
+                    struct page *page, u64 ino, unsigned int pg_offset)
 {
        u64 private;
        struct io_failure_record *failrec;
-       struct btrfs_fs_info *fs_info = inode->root->fs_info;
        struct extent_state *state;
        int num_copies;
        int ret;
 
        private = 0;
-       ret = count_range_bits(&inode->io_failure_tree, &private,
-                               (u64)-1, 1, EXTENT_DIRTY, 0);
+       ret = count_range_bits(failure_tree, &private, (u64)-1, 1,
+                              EXTENT_DIRTY, 0);
        if (!ret)
                return 0;
 
-       ret = get_state_failrec(&inode->io_failure_tree, start,
-                       &failrec);
+       ret = get_state_failrec(failure_tree, start, &failrec);
        if (ret)
                return 0;
 
@@ -2114,25 +2115,25 @@ int clean_io_failure(struct btrfs_inode *inode, u64 start, struct page *page,
        if (fs_info->sb->s_flags & MS_RDONLY)
                goto out;
 
-       spin_lock(&inode->io_tree.lock);
-       state = find_first_extent_bit_state(&inode->io_tree,
+       spin_lock(&io_tree->lock);
+       state = find_first_extent_bit_state(io_tree,
                                            failrec->start,
                                            EXTENT_LOCKED);
-       spin_unlock(&inode->io_tree.lock);
+       spin_unlock(&io_tree->lock);
 
        if (state && state->start <= failrec->start &&
            state->end >= failrec->start + failrec->len - 1) {
                num_copies = btrfs_num_copies(fs_info, failrec->logical,
                                              failrec->len);
                if (num_copies > 1)  {
-                       repair_io_failure(fs_info, btrfs_ino(inode), start,
-                                         failrec->len, failrec->logical, page,
-                                         pg_offset, failrec->failed_mirror);
+                       repair_io_failure(fs_info, ino, start, failrec->len,
+                                         failrec->logical, page, pg_offset,
+                                         failrec->failed_mirror);
                }
        }
 
 out:
-       free_io_failure(inode, failrec);
+       free_io_failure(failure_tree, io_tree, failrec);
 
        return 0;
 }
@@ -2373,6 +2374,7 @@ static int bio_readpage_error(struct bio *failed_bio, u64 phy_offset,
        struct io_failure_record *failrec;
        struct inode *inode = page->mapping->host;
        struct extent_io_tree *tree = &BTRFS_I(inode)->io_tree;
+       struct extent_io_tree *failure_tree = &BTRFS_I(inode)->io_failure_tree;
        struct bio *bio;
        int read_mode = 0;
        int ret;
@@ -2385,7 +2387,7 @@ static int bio_readpage_error(struct bio *failed_bio, u64 phy_offset,
 
        ret = btrfs_check_repairable(inode, failed_bio, failrec, failed_mirror);
        if (!ret) {
-               free_io_failure(BTRFS_I(inode), failrec);
+               free_io_failure(failure_tree, tree, failrec);
                return -EIO;
        }
 
@@ -2398,7 +2400,7 @@ static int bio_readpage_error(struct bio *failed_bio, u64 phy_offset,
                                      (int)phy_offset, failed_bio->bi_end_io,
                                      NULL);
        if (!bio) {
-               free_io_failure(BTRFS_I(inode), failrec);
+               free_io_failure(failure_tree, tree, failrec);
                return -EIO;
        }
        bio_set_op_attrs(bio, REQ_OP_READ, read_mode);
@@ -2410,7 +2412,7 @@ static int bio_readpage_error(struct bio *failed_bio, u64 phy_offset,
        ret = tree->ops->submit_bio_hook(tree->private_data, bio, failrec->this_mirror,
                                         failrec->bio_flags, 0);
        if (ret) {
-               free_io_failure(BTRFS_I(inode), failrec);
+               free_io_failure(failure_tree, tree, failrec);
                bio_put(bio);
        }
 
@@ -2514,7 +2516,7 @@ static void end_bio_extent_readpage(struct bio *bio)
        struct bio_vec *bvec;
        int uptodate = !bio->bi_error;
        struct btrfs_io_bio *io_bio = btrfs_io_bio(bio);
-       struct extent_io_tree *tree;
+       struct extent_io_tree *tree, *failure_tree;
        u64 offset = 0;
        u64 start;
        u64 end;
@@ -2535,6 +2537,7 @@ static void end_bio_extent_readpage(struct bio *bio)
                        (u64)bio->bi_iter.bi_sector, bio->bi_error,
                        io_bio->mirror_num);
                tree = &BTRFS_I(inode)->io_tree;
+               failure_tree = &BTRFS_I(inode)->io_failure_tree;
 
                /* We always issue full-page reads, but if some block
                 * in a page fails to read, blk_update_request() will
@@ -2564,8 +2567,10 @@ static void end_bio_extent_readpage(struct bio *bio)
                        if (ret)
                                uptodate = 0;
                        else
-                               clean_io_failure(BTRFS_I(inode), start,
-                                               page, 0);
+                               clean_io_failure(BTRFS_I(inode)->root->fs_info,
+                                                failure_tree, tree, start,
+                                                page,
+                                                btrfs_ino(BTRFS_I(inode)), 0);
                }
 
                if (likely(uptodate))
index aa3b1fcfc15f0a2b8ecafedce0ccacc257171571..1383afdf1eebc944ec7667252e44cd848f2af6a9 100644 (file)
@@ -474,8 +474,10 @@ struct btrfs_inode;
 int repair_io_failure(struct btrfs_fs_info *fs_info, u64 ino, u64 start,
                      u64 length, u64 logical, struct page *page,
                      unsigned int pg_offset, int mirror_num);
-int clean_io_failure(struct btrfs_inode *inode, u64 start,
-               struct page *page, unsigned int pg_offset);
+int clean_io_failure(struct btrfs_fs_info *fs_info,
+                    struct extent_io_tree *failure_tree,
+                    struct extent_io_tree *io_tree, u64 start,
+                    struct page *page, u64 ino, unsigned int pg_offset);
 void end_extent_writepage(struct page *page, int err, u64 start, u64 end);
 int repair_eb_io_failure(struct btrfs_fs_info *fs_info,
                         struct extent_buffer *eb, int mirror_num);
@@ -510,7 +512,9 @@ struct bio *btrfs_create_repair_bio(struct inode *inode, struct bio *failed_bio,
                                    struct io_failure_record *failrec,
                                    struct page *page, int pg_offset, int icsum,
                                    bio_end_io_t *endio_func, void *data);
-int free_io_failure(struct btrfs_inode *inode, struct io_failure_record *rec);
+int free_io_failure(struct extent_io_tree *failure_tree,
+                   struct extent_io_tree *io_tree,
+                   struct io_failure_record *rec);
 #ifdef CONFIG_BTRFS_FS_RUN_SANITY_TESTS
 noinline u64 find_lock_delalloc_range(struct inode *inode,
                                      struct extent_io_tree *tree,
index 54aa757d4cc311280264cfd91f4600819b0c49e0..c61881df2338a6863765f5aa0b43e0377224d4e5 100644 (file)
@@ -7984,6 +7984,8 @@ static int dio_read_error(struct inode *inode, struct bio *failed_bio,
                        bio_end_io_t *repair_endio, void *repair_arg)
 {
        struct io_failure_record *failrec;
+       struct extent_io_tree *io_tree = &BTRFS_I(inode)->io_tree;
+       struct extent_io_tree *failure_tree = &BTRFS_I(inode)->io_failure_tree;
        struct bio *bio;
        int isector;
        int read_mode = 0;
@@ -7998,7 +8000,7 @@ static int dio_read_error(struct inode *inode, struct bio *failed_bio,
        ret = btrfs_check_dio_repairable(inode, failed_bio, failrec,
                                         failed_mirror);
        if (!ret) {
-               free_io_failure(BTRFS_I(inode), failrec);
+               free_io_failure(failure_tree, io_tree, failrec);
                return -EIO;
        }
 
@@ -8012,7 +8014,7 @@ static int dio_read_error(struct inode *inode, struct bio *failed_bio,
        bio = btrfs_create_repair_bio(inode, failed_bio, failrec, page,
                                pgoff, isector, repair_endio, repair_arg);
        if (!bio) {
-               free_io_failure(BTRFS_I(inode), failrec);
+               free_io_failure(failure_tree, io_tree, failrec);
                return -EIO;
        }
        bio_set_op_attrs(bio, REQ_OP_READ, read_mode);
@@ -8023,7 +8025,7 @@ static int dio_read_error(struct inode *inode, struct bio *failed_bio,
 
        ret = submit_dio_repair_bio(inode, bio, failrec->this_mirror);
        if (ret) {
-               free_io_failure(BTRFS_I(inode), failrec);
+               free_io_failure(failure_tree, io_tree, failrec);
                bio_put(bio);
        }
 
@@ -8040,19 +8042,24 @@ struct btrfs_retry_complete {
 static void btrfs_retry_endio_nocsum(struct bio *bio)
 {
        struct btrfs_retry_complete *done = bio->bi_private;
+       struct inode *inode = done->inode;
        struct bio_vec *bvec;
+       struct extent_io_tree *io_tree, *failure_tree;
        int i;
 
        if (bio->bi_error)
                goto end;
 
        ASSERT(bio->bi_vcnt == 1);
-       ASSERT(bio->bi_io_vec->bv_len == btrfs_inode_sectorsize(done->inode));
+       io_tree = &BTRFS_I(inode)->io_tree;
+       failure_tree = &BTRFS_I(inode)->io_failure_tree;
+       ASSERT(bio->bi_io_vec->bv_len == btrfs_inode_sectorsize(inode));
 
        done->uptodate = 1;
        bio_for_each_segment_all(bvec, bio, i)
-               clean_io_failure(BTRFS_I(done->inode), done->start,
-                                bvec->bv_page, 0);
+               clean_io_failure(BTRFS_I(inode)->root->fs_info, failure_tree,
+                                io_tree, done->start, bvec->bv_page,
+                                btrfs_ino(BTRFS_I(inode)), 0);
 end:
        complete(&done->done);
        bio_put(bio);
@@ -8117,6 +8124,8 @@ static void btrfs_retry_endio(struct bio *bio)
 {
        struct btrfs_retry_complete *done = bio->bi_private;
        struct btrfs_io_bio *io_bio = btrfs_io_bio(bio);
+       struct extent_io_tree *io_tree, *failure_tree;
+       struct inode *inode = done->inode;
        struct bio_vec *bvec;
        int uptodate;
        int ret;
@@ -8130,13 +8139,19 @@ static void btrfs_retry_endio(struct bio *bio)
        ASSERT(bio->bi_vcnt == 1);
        ASSERT(bio->bi_io_vec->bv_len == btrfs_inode_sectorsize(done->inode));
 
+       io_tree = &BTRFS_I(inode)->io_tree;
+       failure_tree = &BTRFS_I(inode)->io_failure_tree;
+
        bio_for_each_segment_all(bvec, bio, i) {
-               ret = __readpage_endio_check(done->inode, io_bio, i,
-                                       bvec->bv_page, bvec->bv_offset,
-                                       done->start, bvec->bv_len);
+               ret = __readpage_endio_check(inode, io_bio, i, bvec->bv_page,
+                                            bvec->bv_offset, done->start,
+                                            bvec->bv_len);
                if (!ret)
-                       clean_io_failure(BTRFS_I(done->inode), done->start,
-                                       bvec->bv_page, bvec->bv_offset);
+                       clean_io_failure(BTRFS_I(inode)->root->fs_info,
+                                        failure_tree, io_tree, done->start,
+                                        bvec->bv_page,
+                                        btrfs_ino(BTRFS_I(inode)),
+                                        bvec->bv_offset);
                else
                        uptodate = 0;
        }