| Message ID | 160505537946.1388647.16793832491247950385.stgit@magnolia (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | xfstests: random fixes | expand |
On Wednesday 11 November 2020 6:12:59 AM IST Darrick J. Wong wrote: > From: Darrick J. Wong <darrick.wong@oracle.com> > > _get_file_block_size is intended to return the size (in bytes) of the > fundamental allocation unit for a file. This is required for remapping > operations like fallocate and reflink, which can only operate on > allocation units. Since the XFS realtime volume can be configure for > allocation units larger than 1 fs block, we need to factor that in here. > > Note that ext* with bigalloc does not allocations to be aligned to the > cluster size, so no update is needed there. > Looks good to me. Reviewed-by: Chandan Babu R <chandanrlinux@gmail.com> > Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> > --- > common/rc | 13 ++++++++++--- > common/xfs | 20 ++++++++++++++++++++ > 2 files changed, 30 insertions(+), 3 deletions(-) > > > diff --git a/common/rc b/common/rc > index 65ebfe20..019b9b2b 100644 > --- a/common/rc > +++ b/common/rc > @@ -3975,11 +3975,18 @@ _get_file_block_size() > echo "Missing mount point argument for _get_file_block_size" > exit 1 > fi > - if [ "$FSTYP" = "ocfs2" ]; then > + > + case "$FSTYP" in > + "ocfs2") > stat -c '%o' $1 > - else > + ;; > + "xfs") > + _xfs_get_file_block_size $1 > + ;; > + *) > _get_block_size $1 > - fi > + ;; > + esac > } > > # Get the minimum block size of an fs. > diff --git a/common/xfs b/common/xfs > index 79dab058..3f5c14ba 100644 > --- a/common/xfs > +++ b/common/xfs > @@ -174,6 +174,26 @@ _scratch_mkfs_xfs() > return $mkfs_status > } > > +# Get the size of an allocation unit of a file. Normally this is just the > +# block size of the file, but for realtime files, this is the realtime extent > +# size. > +_xfs_get_file_block_size() > +{ > + local path="$1" > + > + if ! ($XFS_IO_PROG -c "stat -v" "$path" 2>&1 | egrep -q '(rt-inherit|realtime)'); then > + _get_block_size "$path" > + return > + fi > + > + # Otherwise, call xfs_info until we find a mount point or the root. > + path="$(readlink -m "$path")" > + while ! $XFS_INFO_PROG "$path" &>/dev/null && [ "$path" != "/" ]; do > + path="$(dirname "$path")" > + done > + $XFS_INFO_PROG "$path" | grep realtime | sed -e 's/^.*extsz=\([0-9]*\).*$/\1/g' > +} > + > # xfs_check script is planned to be deprecated. But, we want to > # be able to invoke "xfs_check" behavior in xfstests in order to > # maintain the current verification levels. > >
diff --git a/common/rc b/common/rc index 65ebfe20..019b9b2b 100644 --- a/common/rc +++ b/common/rc @@ -3975,11 +3975,18 @@ _get_file_block_size() echo "Missing mount point argument for _get_file_block_size" exit 1 fi - if [ "$FSTYP" = "ocfs2" ]; then + + case "$FSTYP" in + "ocfs2") stat -c '%o' $1 - else + ;; + "xfs") + _xfs_get_file_block_size $1 + ;; + *) _get_block_size $1 - fi + ;; + esac } # Get the minimum block size of an fs. diff --git a/common/xfs b/common/xfs index 79dab058..3f5c14ba 100644 --- a/common/xfs +++ b/common/xfs @@ -174,6 +174,26 @@ _scratch_mkfs_xfs() return $mkfs_status } +# Get the size of an allocation unit of a file. Normally this is just the +# block size of the file, but for realtime files, this is the realtime extent +# size. +_xfs_get_file_block_size() +{ + local path="$1" + + if ! ($XFS_IO_PROG -c "stat -v" "$path" 2>&1 | egrep -q '(rt-inherit|realtime)'); then + _get_block_size "$path" + return + fi + + # Otherwise, call xfs_info until we find a mount point or the root. + path="$(readlink -m "$path")" + while ! $XFS_INFO_PROG "$path" &>/dev/null && [ "$path" != "/" ]; do + path="$(dirname "$path")" + done + $XFS_INFO_PROG "$path" | grep realtime | sed -e 's/^.*extsz=\([0-9]*\).*$/\1/g' +} + # xfs_check script is planned to be deprecated. But, we want to # be able to invoke "xfs_check" behavior in xfstests in order to # maintain the current verification levels.