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authorRussell King <rmk+kernel@arm.linux.org.uk>2010-05-17 18:24:04 +0200
committerRussell King <rmk+kernel@arm.linux.org.uk>2010-05-17 18:24:04 +0200
commitac1d426e825ab5778995f2f6f053ca2e6b45c622 (patch)
tree75b91356ca39463e0112931aa6790802fb1e07a2 /fs/logfs/gc.c
parentMerge branch 'devel-pmu' into devel (diff)
parentMerge branch 'for-rmk/2635' of git://git.fluff.org/bjdooks/linux into devel-s... (diff)
downloadlinux-ac1d426e825ab5778995f2f6f053ca2e6b45c622.tar.xz
linux-ac1d426e825ab5778995f2f6f053ca2e6b45c622.zip
Merge branch 'devel-stable' into devel
Conflicts: arch/arm/Kconfig arch/arm/include/asm/system.h arch/arm/mm/Kconfig
Diffstat (limited to 'fs/logfs/gc.c')
-rw-r--r--fs/logfs/gc.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/fs/logfs/gc.c b/fs/logfs/gc.c
index 92949f95a901..76c242fbe1b0 100644
--- a/fs/logfs/gc.c
+++ b/fs/logfs/gc.c
@@ -7,6 +7,7 @@
*/
#include "logfs.h"
#include <linux/sched.h>
+#include <linux/slab.h>
/*
* Wear leveling needs to kick in when the difference between low erase
@@ -458,6 +459,14 @@ static void __logfs_gc_pass(struct super_block *sb, int target)
struct logfs_block *block;
int round, progress, last_progress = 0;
+ /*
+ * Doing too many changes to the segfile at once would result
+ * in a large number of aliases. Write the journal before
+ * things get out of hand.
+ */
+ if (super->s_shadow_tree.no_shadowed_segments >= MAX_OBJ_ALIASES)
+ logfs_write_anchor(sb);
+
if (no_free_segments(sb) >= target &&
super->s_no_object_aliases < MAX_OBJ_ALIASES)
return;