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-rw-r--r--Documentation/filesystems/proc.txt3
1 files changed, 3 insertions, 0 deletions
diff --git a/Documentation/filesystems/proc.txt b/Documentation/filesystems/proc.txt
index d9ac9706735b..d831d24d2a6c 100644
--- a/Documentation/filesystems/proc.txt
+++ b/Documentation/filesystems/proc.txt
@@ -956,6 +956,9 @@ Table 1-10: Files in /proc/fs/ext4/<devname>
files are packed closely together. Each large file
will have its blocks allocated out of its own unique
preallocation pool.
+inode_readahead Tuning parameter which controls the maximum number of
+ inode table blocks that ext4's inode table readahead
+ algorithm will pre-read into the buffer cache
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