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| author | Christoph Hellwig <hch@lst.de> | 2019-11-08 15:05:30 -0800 |
|---|---|---|
| committer | Darrick J. Wong <darrick.wong@oracle.com> | 2019-11-10 16:54:22 -0800 |
| commit | 1682310474b2f223951ee46f21e34eb462cf71c2 (patch) | |
| tree | cbb52d19ac74d1b0d7ca79b9332d01f077e5c122 /fs/xfs | |
| parent | c81484e2b97f27683b5bdc3aee266d4685a48f8b (diff) | |
| download | linux-1682310474b2f223951ee46f21e34eb462cf71c2.tar.gz linux-1682310474b2f223951ee46f21e34eb462cf71c2.tar.bz2 linux-1682310474b2f223951ee46f21e34eb462cf71c2.zip | |
xfs: remove the data_dot_offset field in struct xfs_dir_ops
The data_dot_offset value is always equal to data_entry_offset given
that "." is always the first entry in the directory.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Diffstat (limited to 'fs/xfs')
| -rw-r--r-- | fs/xfs/libxfs/xfs_da_format.c | 3 | ||||
| -rw-r--r-- | fs/xfs/libxfs/xfs_dir2.h | 1 | ||||
| -rw-r--r-- | fs/xfs/xfs_dir2_readdir.c | 9 |
3 files changed, 4 insertions, 9 deletions
diff --git a/fs/xfs/libxfs/xfs_da_format.c b/fs/xfs/libxfs/xfs_da_format.c index 19343c65be91..54754eef2437 100644 --- a/fs/xfs/libxfs/xfs_da_format.c +++ b/fs/xfs/libxfs/xfs_da_format.c @@ -204,7 +204,6 @@ static const struct xfs_dir_ops xfs_dir2_ops = { .data_entry_tag_p = xfs_dir2_data_entry_tag_p, .data_bestfree_p = xfs_dir2_data_bestfree_p, - .data_dot_offset = sizeof(struct xfs_dir2_data_hdr), .data_dotdot_offset = sizeof(struct xfs_dir2_data_hdr) + XFS_DIR2_DATA_ENTSIZE(1), .data_first_offset = sizeof(struct xfs_dir2_data_hdr) + @@ -225,7 +224,6 @@ static const struct xfs_dir_ops xfs_dir2_ftype_ops = { .data_entry_tag_p = xfs_dir3_data_entry_tag_p, .data_bestfree_p = xfs_dir2_data_bestfree_p, - .data_dot_offset = sizeof(struct xfs_dir2_data_hdr), .data_dotdot_offset = sizeof(struct xfs_dir2_data_hdr) + XFS_DIR3_DATA_ENTSIZE(1), .data_first_offset = sizeof(struct xfs_dir2_data_hdr) + @@ -246,7 +244,6 @@ static const struct xfs_dir_ops xfs_dir3_ops = { .data_entry_tag_p = xfs_dir3_data_entry_tag_p, .data_bestfree_p = xfs_dir3_data_bestfree_p, - .data_dot_offset = sizeof(struct xfs_dir3_data_hdr), .data_dotdot_offset = sizeof(struct xfs_dir3_data_hdr) + XFS_DIR3_DATA_ENTSIZE(1), .data_first_offset = sizeof(struct xfs_dir3_data_hdr) + diff --git a/fs/xfs/libxfs/xfs_dir2.h b/fs/xfs/libxfs/xfs_dir2.h index 9169da84065a..94e8c40a7d19 100644 --- a/fs/xfs/libxfs/xfs_dir2.h +++ b/fs/xfs/libxfs/xfs_dir2.h @@ -40,7 +40,6 @@ struct xfs_dir_ops { struct xfs_dir2_data_free * (*data_bestfree_p)(struct xfs_dir2_data_hdr *hdr); - xfs_dir2_data_aoff_t data_dot_offset; xfs_dir2_data_aoff_t data_dotdot_offset; xfs_dir2_data_aoff_t data_first_offset; size_t data_entry_offset; diff --git a/fs/xfs/xfs_dir2_readdir.c b/fs/xfs/xfs_dir2_readdir.c index e18045465455..39985ca6ae2d 100644 --- a/fs/xfs/xfs_dir2_readdir.c +++ b/fs/xfs/xfs_dir2_readdir.c @@ -70,13 +70,12 @@ xfs_dir2_sf_getdents( return 0; /* - * Precalculate offsets for . and .. as we will always need them. - * - * XXX(hch): the second argument is sometimes 0 and sometimes - * geo->datablk + * Precalculate offsets for "." and ".." as we will always need them. + * This relies on the fact that directories always start with the + * entries for "." and "..". */ dot_offset = xfs_dir2_db_off_to_dataptr(geo, geo->datablk, - dp->d_ops->data_dot_offset); + dp->d_ops->data_entry_offset); dotdot_offset = xfs_dir2_db_off_to_dataptr(geo, geo->datablk, dp->d_ops->data_dotdot_offset); |