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| author |   Bob Peterson <rpeterso@redhat.com> | 2018-01-18 14:17:13 -0700 |
|---|---|---|
| committer | Bob Peterson <rpeterso@redhat.com> | 2018-01-18 14:17:13 -0700 |
| commit | 786ebd9f68cdf512f389e5f2d0015f1beb0777d8 (patch) | |
| tree | b4bae82884c2232f891aec11e58b38eb4fec5e5d /fs/gfs2/rgrp.c | |
| parent | gfs2: Trim the ordered write list in gfs2_ordered_write() (diff) | |
| parent | gfs2: Implement fallocate(FALLOC_FL_PUNCH_HOLE) (diff) | |
| download | linux-dev-786ebd9f68cdf512f389e5f2d0015f1beb0777d8.tar.xz linux-dev-786ebd9f68cdf512f389e5f2d0015f1beb0777d8.zip | |
Merge branch 'punch-hole' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2.git
Diffstat (limited to 'fs/gfs2/rgrp.c')
| -rw-r--r-- | fs/gfs2/rgrp.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/gfs2/rgrp.c b/fs/gfs2/rgrp.c index e8aba6fa1472..6dea72f49316 100644 --- a/fs/gfs2/rgrp.c +++ b/fs/gfs2/rgrp.c @@ -490,6 +490,13 @@ void gfs2_rgrp_verify(struct gfs2_rgrpd *rgd) * @blk: The data block number * @exact: True if this needs to be an exact match * + * The @exact argument should be set to true by most callers. The exception + * is when we need to match blocks which are not represented by the rgrp + * bitmap, but which are part of the rgrp (i.e. padding blocks) which are + * there for alignment purposes. Another way of looking at it is that @exact + * matches only valid data/metadata blocks, but with @exact false, it will + * match any block within the extent of the rgrp. + * * Returns: The resource group, or NULL if not found */ |