e2fuzz: exercise fuzzed blocks more aggressively

Exercise fuzzed metadata blocks more aggressively by expanding up to
50000 files (instead of just test.1, which might not hit anything).
Fix a typo while we're at it.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>

diff --git a/misc/e2fuzz.sh b/misc/e2fuzz.sh
index a261d5a..4cb7b61 100755 (executable)
--- a/misc/e2fuzz.sh
+++ b/misc/e2fuzz.sh
@@ -34,7 +34,7 @@ print_help() {
        echo "-p:       Use system's mke2fs/e2fsck/tune2fs tools."
        echo "-s:       Create FS images of this size. (${SZ})"
        echo "-S:       Copy files from this dir. (${SRCDIR})"
-       echo "-x:       Run e2fck at most this many times. (${MAX_FSCK})"
+       echo "-x:       Run e2fsck at most this many times. (${MAX_FSCK})"
        test "${HAS_FUSE2FS}" -gt 0 && echo "-u:        Use fuse2fs instead of the kernel."
        exit 0
 }
@@ -192,12 +192,12 @@ seq 1 "${PASSES}" | while read pass; do
                find "${TESTMNT}/test.1/" -type f -size -1048576k -print0 | xargs -0 cat > /dev/null 2>> "${OPS_LOG}"
 
                echo "+++ expand"
-               find "${TESTMNT}/test.1/" -type f 2> /dev/null | while read f; do
+               find "${TESTMNT}/" -type f 2> /dev/null | head -n 50000 | while read f; do
                        attr -l "$f" > /dev/null 2>> "${OPS_LOG}"
-                       mv "$f" "$f.longer" > /dev/null 2>> "${OPS_LOG}"
                        if [ -f "$f" -a -w "$f" ]; then
                                dd if=/dev/zero bs="${BLK_SZ}" count=1 >> "$f" 2>> "${OPS_LOG}"
                        fi
+                       mv "$f" "$f.longer" > /dev/null 2>> "${OPS_LOG}"
                done
                sync