fat: introduce mark_fsinfo_dirty helper

A preparation patch which introduces a 'mark_fsinfo_dirty()' helper
function which just sets the 's_dirt' flag to 1 so far.  I'll add more
code to this helper later, so I do not mark it as 'inline'.

Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Cc: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 9 insertions, 4 deletions

diff --git a/fs/fat/fatent.c b/fs/fat/fatent.c
index 2e81ac0df7e2..e49d27463b67 100644
--- a/fs/fat/fatent.c
+++ b/fs/fat/fatent.c
@@ -308,6 +308,11 @@ void fat_ent_access_init(struct super_block *sb)
         }
 }
 
+static void mark_fsinfo_dirty(struct super_block *sb)
+{
+        sb->s_dirt = 1;
+}
+
 static inline int fat_ent_update_ptr(struct super_block *sb,
                                      struct fat_entry *fatent,
                                      int offset, sector_t blocknr)
@@ -498,7 +503,7 @@ int fat_alloc_clusters(struct inode *inode, int *cluster, int nr_cluster)
                                 sbi->prev_free = entry;
                                 if (sbi->free_clusters != -1)
                                         sbi->free_clusters--;
-                                sb->s_dirt = 1;
+                                mark_fsinfo_dirty(sb);
 
                                 cluster[idx_clus] = entry;
                                 idx_clus++;
@@ -520,7 +525,7 @@ int fat_alloc_clusters(struct inode *inode, int *cluster, int nr_cluster)
         /* Couldn't allocate the free entries */
         sbi->free_clusters = 0;
         sbi->free_clus_valid = 1;
-        sb->s_dirt = 1;
+        mark_fsinfo_dirty(sb);
         err = -ENOSPC;
 
 out:
@@ -587,7 +592,7 @@ int fat_free_clusters(struct inode *inode, int cluster)
                 ops->ent_put(&fatent, FAT_ENT_FREE);
                 if (sbi->free_clusters != -1) {
                         sbi->free_clusters++;
-                        sb->s_dirt = 1;
+                        mark_fsinfo_dirty(sb);
                 }
 
                 if (nr_bhs + fatent.nr_bhs > MAX_BUF_PER_PAGE) {
@@ -677,7 +682,7 @@ int fat_count_free_clusters(struct super_block *sb)
         }
         sbi->free_clusters = free;
         sbi->free_clus_valid = 1;
-        sb->s_dirt = 1;
+        mark_fsinfo_dirty(sb);
         fatent_brelse(&fatent);
 out:
         unlock_fat(sbi);