tree-wide: Assorted spelling fixes

[firefly-linux-kernel-4.4.55.git] / fs / ocfs2 / extent_map.c

diff --git a/fs/ocfs2/extent_map.c b/fs/ocfs2/extent_map.c
index 843db64e9d4ae9d5b9a353a3e7b3d001c3456297..83e9b1249aed21c7303c2eb6b19c7e10bfbb933c 100644 (file)
--- a/fs/ocfs2/extent_map.c
+++ b/fs/ocfs2/extent_map.c
@@ -37,6 +37,7 @@
 #include "extent_map.h"
 #include "inode.h"
 #include "super.h"
+#include "symlink.h"
 
 #include "buffer_head_io.h"
 
@@ -452,7 +453,7 @@ static int ocfs2_get_clusters_nocache(struct inode *inode,
        if (i == -1) {
                /*
                 * Holes can be larger than the maximum size of an
-                * extent, so we return their lengths in a seperate
+                * extent, so we return their lengths in a separate
                 * field.
                 */
                if (hole_len) {
@@ -703,6 +704,12 @@ out:
        return ret;
 }
 
+/*
+ * The ocfs2_fiemap_inline() may be a little bit misleading, since
+ * it not only handles the fiemap for inlined files, but also deals
+ * with the fast symlink, cause they have no difference for extent
+ * mapping per se.
+ */
 static int ocfs2_fiemap_inline(struct inode *inode, struct buffer_head *di_bh,
                               struct fiemap_extent_info *fieinfo,
                               u64 map_start)
@@ -715,11 +722,18 @@ static int ocfs2_fiemap_inline(struct inode *inode, struct buffer_head *di_bh,
        struct ocfs2_inode_info *oi = OCFS2_I(inode);
 
        di = (struct ocfs2_dinode *)di_bh->b_data;
-       id_count = le16_to_cpu(di->id2.i_data.id_count);
+       if (ocfs2_inode_is_fast_symlink(inode))
+               id_count = ocfs2_fast_symlink_chars(inode->i_sb);
+       else
+               id_count = le16_to_cpu(di->id2.i_data.id_count);
 
        if (map_start < id_count) {
                phys = oi->ip_blkno << inode->i_sb->s_blocksize_bits;
-               phys += offsetof(struct ocfs2_dinode, id2.i_data.id_data);
+               if (ocfs2_inode_is_fast_symlink(inode))
+                       phys += offsetof(struct ocfs2_dinode, id2.i_symlink);
+               else
+                       phys += offsetof(struct ocfs2_dinode,
+                                        id2.i_data.id_data);
 
                ret = fiemap_fill_next_extent(fieinfo, 0, phys, id_count,
                                              flags);
@@ -756,9 +770,10 @@ int ocfs2_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
        down_read(&OCFS2_I(inode)->ip_alloc_sem);
 
        /*
-        * Handle inline-data separately.
+        * Handle inline-data and fast symlink separately.
         */
-       if (OCFS2_I(inode)->ip_dyn_features & OCFS2_INLINE_DATA_FL) {
+       if ((OCFS2_I(inode)->ip_dyn_features & OCFS2_INLINE_DATA_FL) ||
+           ocfs2_inode_is_fast_symlink(inode)) {
                ret = ocfs2_fiemap_inline(inode, di_bh, fieinfo, map_start);
                goto out_unlock;
        }
@@ -786,6 +801,8 @@ int ocfs2_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
                fe_flags = 0;
                if (rec.e_flags & OCFS2_EXT_UNWRITTEN)
                        fe_flags |= FIEMAP_EXTENT_UNWRITTEN;
+               if (rec.e_flags & OCFS2_EXT_REFCOUNTED)
+                       fe_flags |= FIEMAP_EXTENT_SHARED;
                if (is_last)
                        fe_flags |= FIEMAP_EXTENT_LAST;
                len_bytes = (u64)le16_to_cpu(rec.e_leaf_clusters) << osb->s_clustersize_bits;