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Commit 43b774ba1378dc5e952aadb829048bbe90ba33e4

Authored by Chris Mason
1 parent d397712bcc
Exists in master and in 7 other branches imx_3.0.35_4.1.0, imx_3.10.17_1.0.1_ga, imx_3.10.53_1.1.0_ga, imx_3.14.28_1.0.0_ga, smarc-imx_3.10.53_1.1.0_ga, smarc-imx_3.14.28_1.0.0_ga, smarc-l5.0.0_1.0.0-ga

Btrfs: drop EXPORT symbols from extent_io.c 

They should stay out until this is turned into generic code.

Signed-off-by: Chris Mason <chris.mason@oracle.com>

Showing 1 changed file with 0 additions and 56 deletions Side-by-side Diff

fs/btrfs/extent_io.c
Diff comments   View file @ 43b774b
... ... @@ -116,7 +116,6 @@
116 116 spin_lock_init(&tree->buffer_lock);
117 117 tree->mapping = mapping;
118 118 }
119   -EXPORT_SYMBOL(extent_io_tree_init);
120 119  
121 120 static struct extent_state *alloc_extent_state(gfp_t mask)
122 121 {
... ... @@ -140,7 +139,6 @@
140 139 init_waitqueue_head(&state->wq);
141 140 return state;
142 141 }
143   -EXPORT_SYMBOL(alloc_extent_state);
144 142  
145 143 static void free_extent_state(struct extent_state *state)
146 144 {
... ... @@ -159,7 +157,6 @@
159 157 kmem_cache_free(extent_state_cache, state);
160 158 }
161 159 }
162   -EXPORT_SYMBOL(free_extent_state);
163 160  
164 161 static struct rb_node *tree_insert(struct rb_root *root, u64 offset,
165 162 struct rb_node *node)
... ... @@ -580,7 +577,6 @@
580 577 cond_resched();
581 578 goto again;
582 579 }
583   -EXPORT_SYMBOL(clear_extent_bit);
584 580  
585 581 static int wait_on_state(struct extent_io_tree *tree,
586 582 struct extent_state *state)
... ... @@ -644,7 +640,6 @@
644 640 spin_unlock(&tree->lock);
645 641 return 0;
646 642 }
647   -EXPORT_SYMBOL(wait_extent_bit);
648 643  
649 644 static void set_state_bits(struct extent_io_tree *tree,
650 645 struct extent_state *state,
... ... @@ -821,7 +816,6 @@
821 816 cond_resched();
822 817 goto again;
823 818 }
824   -EXPORT_SYMBOL(set_extent_bit);
825 819  
826 820 /* wrappers around set/clear extent bit */
827 821 int set_extent_dirty(struct extent_io_tree *tree, u64 start, u64 end,
828 822  
... ... @@ -830,14 +824,12 @@
830 824 return set_extent_bit(tree, start, end, EXTENT_DIRTY, 0, NULL,
831 825 mask);
832 826 }
833   -EXPORT_SYMBOL(set_extent_dirty);
834 827  
835 828 int set_extent_ordered(struct extent_io_tree *tree, u64 start, u64 end,
836 829 gfp_t mask)
837 830 {
838 831 return set_extent_bit(tree, start, end, EXTENT_ORDERED, 0, NULL, mask);
839 832 }
840   -EXPORT_SYMBOL(set_extent_ordered);
841 833  
842 834 int set_extent_bits(struct extent_io_tree *tree, u64 start, u64 end,
843 835 int bits, gfp_t mask)
844 836  
... ... @@ -845,14 +837,12 @@
845 837 return set_extent_bit(tree, start, end, bits, 0, NULL,
846 838 mask);
847 839 }
848   -EXPORT_SYMBOL(set_extent_bits);
849 840  
850 841 int clear_extent_bits(struct extent_io_tree *tree, u64 start, u64 end,
851 842 int bits, gfp_t mask)
852 843 {
853 844 return clear_extent_bit(tree, start, end, bits, 0, 0, mask);
854 845 }
855   -EXPORT_SYMBOL(clear_extent_bits);
856 846  
857 847 int set_extent_delalloc(struct extent_io_tree *tree, u64 start, u64 end,
858 848 gfp_t mask)
... ... @@ -861,7 +851,6 @@
861 851 EXTENT_DELALLOC | EXTENT_DIRTY,
862 852 0, NULL, mask);
863 853 }
864   -EXPORT_SYMBOL(set_extent_delalloc);
865 854  
866 855 int clear_extent_dirty(struct extent_io_tree *tree, u64 start, u64 end,
867 856 gfp_t mask)
868 857  
... ... @@ -869,14 +858,12 @@
869 858 return clear_extent_bit(tree, start, end,
870 859 EXTENT_DIRTY | EXTENT_DELALLOC, 0, 0, mask);
871 860 }
872   -EXPORT_SYMBOL(clear_extent_dirty);
873 861  
874 862 int clear_extent_ordered(struct extent_io_tree *tree, u64 start, u64 end,
875 863 gfp_t mask)
876 864 {
877 865 return clear_extent_bit(tree, start, end, EXTENT_ORDERED, 1, 0, mask);
878 866 }
879   -EXPORT_SYMBOL(clear_extent_ordered);
880 867  
881 868 int set_extent_new(struct extent_io_tree *tree, u64 start, u64 end,
882 869 gfp_t mask)
... ... @@ -884,7 +871,6 @@
884 871 return set_extent_bit(tree, start, end, EXTENT_NEW, 0, NULL,
885 872 mask);
886 873 }
887   -EXPORT_SYMBOL(set_extent_new);
888 874  
889 875 static int clear_extent_new(struct extent_io_tree *tree, u64 start, u64 end,
890 876 gfp_t mask)
... ... @@ -898,7 +884,6 @@
898 884 return set_extent_bit(tree, start, end, EXTENT_UPTODATE, 0, NULL,
899 885 mask);
900 886 }
901   -EXPORT_SYMBOL(set_extent_uptodate);
902 887  
903 888 static int clear_extent_uptodate(struct extent_io_tree *tree, u64 start,
904 889 u64 end, gfp_t mask)
... ... @@ -923,7 +908,6 @@
923 908 {
924 909 return wait_extent_bit(tree, start, end, EXTENT_WRITEBACK);
925 910 }
926   -EXPORT_SYMBOL(wait_on_extent_writeback);
927 911  
928 912 /*
929 913 * either insert or lock state struct between start and end use mask to tell
... ... @@ -946,7 +930,6 @@
946 930 }
947 931 return err;
948 932 }
949   -EXPORT_SYMBOL(lock_extent);
950 933  
951 934 int try_lock_extent(struct extent_io_tree *tree, u64 start, u64 end,
952 935 gfp_t mask)
953 936  
... ... @@ -964,14 +947,12 @@
964 947 }
965 948 return 1;
966 949 }
967   -EXPORT_SYMBOL(try_lock_extent);
968 950  
969 951 int unlock_extent(struct extent_io_tree *tree, u64 start, u64 end,
970 952 gfp_t mask)
971 953 {
972 954 return clear_extent_bit(tree, start, end, EXTENT_LOCKED, 1, 0, mask);
973 955 }
974   -EXPORT_SYMBOL(unlock_extent);
975 956  
976 957 /*
977 958 * helper function to set pages and extents in the tree dirty
... ... @@ -992,7 +973,6 @@
992 973 set_extent_dirty(tree, start, end, GFP_NOFS);
993 974 return 0;
994 975 }
995   -EXPORT_SYMBOL(set_range_dirty);
996 976  
997 977 /*
998 978 * helper function to set both pages and extents in the tree writeback
... ... @@ -1053,7 +1033,6 @@
1053 1033 spin_unlock(&tree->lock);
1054 1034 return ret;
1055 1035 }
1056   -EXPORT_SYMBOL(find_first_extent_bit);
1057 1036  
1058 1037 /* find the first state struct with 'bits' set after 'start', and
1059 1038 * return it. tree->lock must be held. NULL will returned if
... ... @@ -1085,7 +1064,6 @@
1085 1064 out:
1086 1065 return NULL;
1087 1066 }
1088   -EXPORT_SYMBOL(find_first_extent_bit_state);
1089 1067  
1090 1068 /*
1091 1069 * find a contiguous range of bytes in the file marked as delalloc, not
... ... @@ -1372,7 +1350,6 @@
1372 1350 }
1373 1351 return 0;
1374 1352 }
1375   -EXPORT_SYMBOL(extent_clear_unlock_delalloc);
1376 1353  
1377 1354 /*
1378 1355 * count the number of bytes in the tree that have a given bit(s)
... ... @@ -1598,7 +1575,6 @@
1598 1575 spin_unlock(&tree->lock);
1599 1576 return bitset;
1600 1577 }
1601   -EXPORT_SYMBOL(test_range_bit);
1602 1578  
1603 1579 /*
1604 1580 * helper function to set a given page up to date if all the
... ... @@ -1952,7 +1928,6 @@
1952 1928 set_page_private(page, EXTENT_PAGE_PRIVATE);
1953 1929 }
1954 1930 }
1955   -EXPORT_SYMBOL(set_page_extent_mapped);
1956 1931  
1957 1932 static void set_page_extent_head(struct page *page, unsigned long len)
1958 1933 {
... ... @@ -2128,7 +2103,6 @@
2128 2103 submit_one_bio(READ, bio, 0, bio_flags);
2129 2104 return ret;
2130 2105 }
2131   -EXPORT_SYMBOL(extent_read_full_page);
2132 2106  
2133 2107 /*
2134 2108 * the writepage semantics are similar to regular writepage. extent
... ... @@ -2533,7 +2507,6 @@
2533 2507 submit_one_bio(WRITE, epd.bio, 0, 0);
2534 2508 return ret;
2535 2509 }
2536   -EXPORT_SYMBOL(extent_write_full_page);
2537 2510  
2538 2511 int extent_write_locked_range(struct extent_io_tree *tree, struct inode *inode,
2539 2512 u64 start, u64 end, get_extent_t *get_extent,
2540 2513  
... ... @@ -2579,9 +2552,7 @@
2579 2552 submit_one_bio(WRITE, epd.bio, 0, 0);
2580 2553 return ret;
2581 2554 }
2582   -EXPORT_SYMBOL(extent_write_locked_range);
2583 2555  
2584   -
2585 2556 int extent_writepages(struct extent_io_tree *tree,
2586 2557 struct address_space *mapping,
2587 2558 get_extent_t *get_extent,
... ... @@ -2602,7 +2573,6 @@
2602 2573 submit_one_bio(WRITE, epd.bio, 0, 0);
2603 2574 return ret;
2604 2575 }
2605   -EXPORT_SYMBOL(extent_writepages);
2606 2576  
2607 2577 int extent_readpages(struct extent_io_tree *tree,
2608 2578 struct address_space *mapping,
... ... @@ -2643,7 +2613,6 @@
2643 2613 submit_one_bio(READ, bio, 0, bio_flags);
2644 2614 return 0;
2645 2615 }
2646   -EXPORT_SYMBOL(extent_readpages);
2647 2616  
2648 2617 /*
2649 2618 * basic invalidatepage code, this waits on any locked or writeback
... ... @@ -2668,7 +2637,6 @@
2668 2637 1, 1, GFP_NOFS);
2669 2638 return 0;
2670 2639 }
2671   -EXPORT_SYMBOL(extent_invalidatepage);
2672 2640  
2673 2641 /*
2674 2642 * simple commit_write call, set_range_dirty is used to mark both
... ... @@ -2689,7 +2657,6 @@
2689 2657 }
2690 2658 return 0;
2691 2659 }
2692   -EXPORT_SYMBOL(extent_commit_write);
2693 2660  
2694 2661 int extent_prepare_write(struct extent_io_tree *tree,
2695 2662 struct inode *inode, struct page *page,
... ... @@ -2787,7 +2754,6 @@
2787 2754 /* FIXME, zero out newly allocated blocks on error */
2788 2755 return err;
2789 2756 }
2790   -EXPORT_SYMBOL(extent_prepare_write);
2791 2757  
2792 2758 /*
2793 2759 * a helper for releasepage, this tests for areas of the page that
... ... @@ -2813,7 +2779,6 @@
2813 2779 }
2814 2780 return ret;
2815 2781 }
2816   -EXPORT_SYMBOL(try_release_extent_state);
2817 2782  
2818 2783 /*
2819 2784 * a helper for releasepage. As long as there are no locked extents
... ... @@ -2863,7 +2828,6 @@
2863 2828 }
2864 2829 return try_release_extent_state(map, tree, page, mask);
2865 2830 }
2866   -EXPORT_SYMBOL(try_release_extent_mapping);
2867 2831  
2868 2832 sector_t extent_bmap(struct address_space *mapping, sector_t iblock,
2869 2833 get_extent_t *get_extent)
... ... @@ -3042,7 +3006,6 @@
3042 3006 __free_extent_buffer(eb);
3043 3007 return exists;
3044 3008 }
3045   -EXPORT_SYMBOL(alloc_extent_buffer);
3046 3009  
3047 3010 struct extent_buffer *find_extent_buffer(struct extent_io_tree *tree,
3048 3011 u64 start, unsigned long len,
... ... @@ -3061,7 +3024,6 @@
3061 3024  
3062 3025 return eb;
3063 3026 }
3064   -EXPORT_SYMBOL(find_extent_buffer);
3065 3027  
3066 3028 void free_extent_buffer(struct extent_buffer *eb)
3067 3029 {
... ... @@ -3073,7 +3035,6 @@
3073 3035  
3074 3036 WARN_ON(1);
3075 3037 }
3076   -EXPORT_SYMBOL(free_extent_buffer);
3077 3038  
3078 3039 int clear_extent_buffer_dirty(struct extent_io_tree *tree,
3079 3040 struct extent_buffer *eb)
... ... @@ -3128,7 +3089,6 @@
3128 3089 }
3129 3090 return 0;
3130 3091 }
3131   -EXPORT_SYMBOL(clear_extent_buffer_dirty);
3132 3092  
3133 3093 int wait_on_extent_buffer_writeback(struct extent_io_tree *tree,
3134 3094 struct extent_buffer *eb)
... ... @@ -3136,7 +3096,6 @@
3136 3096 return wait_on_extent_writeback(tree, eb->start,
3137 3097 eb->start + eb->len - 1);
3138 3098 }
3139   -EXPORT_SYMBOL(wait_on_extent_buffer_writeback);
3140 3099  
3141 3100 int set_extent_buffer_dirty(struct extent_io_tree *tree,
3142 3101 struct extent_buffer *eb)
... ... @@ -3167,7 +3126,6 @@
3167 3126 }
3168 3127 return 0;
3169 3128 }
3170   -EXPORT_SYMBOL(set_extent_buffer_dirty);
3171 3129  
3172 3130 int clear_extent_buffer_uptodate(struct extent_io_tree *tree,
3173 3131 struct extent_buffer *eb)
... ... @@ -3212,7 +3170,6 @@
3212 3170 }
3213 3171 return 0;
3214 3172 }
3215   -EXPORT_SYMBOL(set_extent_buffer_uptodate);
3216 3173  
3217 3174 int extent_range_uptodate(struct extent_io_tree *tree,
3218 3175 u64 start, u64 end)
... ... @@ -3267,7 +3224,6 @@
3267 3224 }
3268 3225 return pg_uptodate;
3269 3226 }
3270   -EXPORT_SYMBOL(extent_buffer_uptodate);
3271 3227  
3272 3228 int read_extent_buffer_pages(struct extent_io_tree *tree,
3273 3229 struct extent_buffer *eb,
... ... @@ -3366,7 +3322,6 @@
3366 3322 }
3367 3323 return ret;
3368 3324 }
3369   -EXPORT_SYMBOL(read_extent_buffer_pages);
3370 3325  
3371 3326 void read_extent_buffer(struct extent_buffer *eb, void *dstv,
3372 3327 unsigned long start,
... ... @@ -3399,7 +3354,6 @@
3399 3354 i++;
3400 3355 }
3401 3356 }
3402   -EXPORT_SYMBOL(read_extent_buffer);
3403 3357  
3404 3358 int map_private_extent_buffer(struct extent_buffer *eb, unsigned long start,
3405 3359 unsigned long min_len, char **token, char **map,
... ... @@ -3439,7 +3393,6 @@
3439 3393 *map_len = PAGE_CACHE_SIZE - offset;
3440 3394 return 0;
3441 3395 }
3442   -EXPORT_SYMBOL(map_private_extent_buffer);
3443 3396  
3444 3397 int map_extent_buffer(struct extent_buffer *eb, unsigned long start,
3445 3398 unsigned long min_len,
3446 3399  
... ... @@ -3465,13 +3418,11 @@
3465 3418 }
3466 3419 return err;
3467 3420 }
3468   -EXPORT_SYMBOL(map_extent_buffer);
3469 3421  
3470 3422 void unmap_extent_buffer(struct extent_buffer *eb, char *token, int km)
3471 3423 {
3472 3424 kunmap_atomic(token, km);
3473 3425 }
3474   -EXPORT_SYMBOL(unmap_extent_buffer);
3475 3426  
3476 3427 int memcmp_extent_buffer(struct extent_buffer *eb, const void *ptrv,
3477 3428 unsigned long start,
... ... @@ -3509,7 +3460,6 @@
3509 3460 }
3510 3461 return ret;
3511 3462 }
3512   -EXPORT_SYMBOL(memcmp_extent_buffer);
3513 3463  
3514 3464 void write_extent_buffer(struct extent_buffer *eb, const void *srcv,
3515 3465 unsigned long start, unsigned long len)
... ... @@ -3542,7 +3492,6 @@
3542 3492 i++;
3543 3493 }
3544 3494 }
3545   -EXPORT_SYMBOL(write_extent_buffer);
3546 3495  
3547 3496 void memset_extent_buffer(struct extent_buffer *eb, char c,
3548 3497 unsigned long start, unsigned long len)
... ... @@ -3573,7 +3522,6 @@
3573 3522 i++;
3574 3523 }
3575 3524 }
3576   -EXPORT_SYMBOL(memset_extent_buffer);
3577 3525  
3578 3526 void copy_extent_buffer(struct extent_buffer *dst, struct extent_buffer *src,
3579 3527 unsigned long dst_offset, unsigned long src_offset,
... ... @@ -3608,7 +3556,6 @@
3608 3556 i++;
3609 3557 }
3610 3558 }
3611   -EXPORT_SYMBOL(copy_extent_buffer);
3612 3559  
3613 3560 static void move_pages(struct page *dst_page, struct page *src_page,
3614 3561 unsigned long dst_off, unsigned long src_off,
... ... @@ -3692,7 +3639,6 @@
3692 3639 len -= cur;
3693 3640 }
3694 3641 }
3695   -EXPORT_SYMBOL(memcpy_extent_buffer);
3696 3642  
3697 3643 void memmove_extent_buffer(struct extent_buffer *dst, unsigned long dst_offset,
3698 3644 unsigned long src_offset, unsigned long len)
... ... @@ -3741,7 +3687,6 @@
3741 3687 len -= cur;
3742 3688 }
3743 3689 }
3744   -EXPORT_SYMBOL(memmove_extent_buffer);
3745 3690  
3746 3691 int try_release_extent_buffer(struct extent_io_tree *tree, struct page *page)
3747 3692 {
... ... @@ -3770,5 +3715,4 @@
3770 3715 spin_unlock(&tree->buffer_lock);
3771 3716 return ret;
3772 3717 }
3773   -EXPORT_SYMBOL(try_release_extent_buffer);