[bootlin/training-materials updates] master: boot-time: filesystems: warn about btrfs poor init performance (9b802f9b)

[Michael Opdenacker]

Repository : https://github.com/bootlin/training-materials
On branch  : master
Link       : https://github.com/bootlin/training-materials/commit/9b802f9bbf8044f798e69e51bc9aea41a46215b1

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commit 9b802f9bbf8044f798e69e51bc9aea41a46215b1
Author: Michael Opdenacker <michael.opdenacker at bootlin.com>
Date:   Tue Jun 13 20:08:51 2023 +0200

    boot-time: filesystems: warn about btrfs poor init performance
    
    Signed-off-by: Michael Opdenacker <michael.opdenacker at bootlin.com>


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9b802f9bbf8044f798e69e51bc9aea41a46215b1
 slides/boot-time-filesystems/boot-time-filesystems.tex | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/slides/boot-time-filesystems/boot-time-filesystems.tex b/slides/boot-time-filesystems/boot-time-filesystems.tex
index 9e1762bd..93e2cb59 100644
--- a/slides/boot-time-filesystems/boot-time-filesystems.tex
+++ b/slides/boot-time-filesystems/boot-time-filesystems.tex
@@ -46,9 +46,9 @@ For block storage
 \item ext4: pretty good read and write performance.
 \item xfs: can be good in some read or write scenarii
       as well.
-\item btrfs, f2fs: can achieve best read and write performance,
+\item btrfs, f2fs: can achieve good read and write performance,
       taking advantage of the characteristics of flash-based block
-      devices.
+      devices. However, btrfs is slow to initialize (see benchmarks later).
 \item SquashFS: very good mount time and read performance, for read-only
       partitions. Gives priority to compression rate vs performance.
 \item EROFS: newer read-only file system for block storage. Gives