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-rw-r--r--mm/filemap.c18
1 files changed, 5 insertions, 13 deletions
diff --git a/mm/filemap.c b/mm/filemap.c
index 4eb958c402fe..b7b1be6dbd83 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -875,9 +875,7 @@ static void shrink_readahead_size_eio(struct file *filp,
875} 875}
876 876
877/** 877/**
878 * do_generic_mapping_read - generic file read routine 878 * do_generic_file_read - generic file read routine
879 * @mapping: address_space to be read
880 * @ra: file's readahead state
881 * @filp: the file to read 879 * @filp: the file to read
882 * @ppos: current file position 880 * @ppos: current file position
883 * @desc: read_descriptor 881 * @desc: read_descriptor
@@ -888,18 +886,13 @@ static void shrink_readahead_size_eio(struct file *filp,
888 * 886 *
889 * This is really ugly. But the goto's actually try to clarify some 887 * This is really ugly. But the goto's actually try to clarify some
890 * of the logic when it comes to error handling etc. 888 * of the logic when it comes to error handling etc.
891 *
892 * Note the struct file* is only passed for the use of readpage.
893 * It may be NULL.
894 */ 889 */
895void do_generic_mapping_read(struct address_space *mapping, 890static void do_generic_file_read(struct file *filp, loff_t *ppos,
896 struct file_ra_state *ra, 891 read_descriptor_t *desc, read_actor_t actor)
897 struct file *filp,
898 loff_t *ppos,
899 read_descriptor_t *desc,
900 read_actor_t actor)
901{ 892{
893 struct address_space *mapping = filp->f_mapping;
902 struct inode *inode = mapping->host; 894 struct inode *inode = mapping->host;
895 struct file_ra_state *ra = &filp->f_ra;
903 pgoff_t index; 896 pgoff_t index;
904 pgoff_t last_index; 897 pgoff_t last_index;
905 pgoff_t prev_index; 898 pgoff_t prev_index;
@@ -1091,7 +1084,6 @@ out:
1091 if (filp) 1084 if (filp)
1092 file_accessed(filp); 1085 file_accessed(filp);
1093} 1086}
1094EXPORT_SYMBOL(do_generic_mapping_read);
1095 1087
1096int file_read_actor(read_descriptor_t *desc, struct page *page, 1088int file_read_actor(read_descriptor_t *desc, struct page *page,
1097 unsigned long offset, unsigned long size) 1089 unsigned long offset, unsigned long size)