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common: Introduce get_block_size() helper

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Currently many tests and other functions uses it's own way to get block
size of the file system. Introduce get_block_size(), a generic way to
get block size of mounted file system and use that instead.

Signed-off-by: Lukas Czerner <lczerner@redhat.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
This commit is contained in:
Lukas Czerner
2014-10-14 17:07:52 +11:00
committed by Dave Chinner
parent 48c45430ce
commit a2a1fc679e
7 changed files with 16 additions and 7 deletions
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common/attr
+2 -2
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@@ -249,7 +249,7 @@ _sort_getfattr_output()
if [ "$FSTYP" == "xfs" -o "$FSTYP" == "udf" ]; then
MAX_ATTRS=1000
else # Assume max ~1 block of attrs
BLOCK_SIZE=`stat -f $TEST_DIR | grep "Block size" | cut -d " " -f3`
BLOCK_SIZE=`get_block_size $TEST_DIR`
# user.attribute_XXX="value.XXX" is about 32 bytes; leave some overhead
let MAX_ATTRS=$BLOCK_SIZE/40
fi
@@ -260,7 +260,7 @@ export MAX_ATTRS
if [ "$FSTYP" == "xfs" -o "$FSTYP" == "udf" -o "$FSTYP" == "btrfs" ]; then
MAX_ATTRVAL_SIZE=64
else # Assume max ~1 block of attrs
BLOCK_SIZE=`stat -f $TEST_DIR | grep "Block size" | cut -d " " -f3`
BLOCK_SIZE=`get_block_size $TEST_DIR`
# leave a little overhead
let MAX_ATTRVAL_SIZE=$BLOCK_SIZE-256
fi