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-rw-r--r--libdiskfs/diskfs.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/libdiskfs/diskfs.h b/libdiskfs/diskfs.h
index c6a91764..3ae8d086 100644
--- a/libdiskfs/diskfs.h
+++ b/libdiskfs/diskfs.h
@@ -230,7 +230,10 @@ error_t diskfs_set_statfs (fsys_statfsbuf_t *statfsbuf);
If the name is found, return zero, and (if NP is nonzero) set *NP
to point to the node for it, locked. If the name is not found,
- return ENOENT, and (if NP is nonzero) set *NP to zero.
+ return ENOENT, and (if NP is nonzero) set *NP to zero. If NP is
+ zero, then the node found must not be locked, even transitorily.
+ Lookups for REMOVE and RENAME (which must often check permissions
+ on the node being found) will always set NP.
If DS is nonzero then:
For LOOKUP: set *DS to be ignored by diskfs_drop_dirstat.