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-rw-r--r--source3/smbd/fileio.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/source3/smbd/fileio.c b/source3/smbd/fileio.c
index dbf1e5a789..977988fde4 100644
--- a/source3/smbd/fileio.c
+++ b/source3/smbd/fileio.c
@@ -125,6 +125,11 @@ static ssize_t real_write_file(files_struct *fsp,char *data,SMB_OFF_T pos, size_
ret = vfs_write_data(fsp, data, n);
} else {
fsp->pos = pos;
+ if (pos && lp_strict_allocate(SNUM(fsp->conn))) {
+ if (vfs_fill_sparse(fsp, pos) == -1) {
+ return -1;
+ }
+ }
ret = vfs_pwrite_data(fsp, data, n, pos);
}