[PATCH] blkid: add blkid_probe_get_sectors()

[Davidlohr Bueso <dave@xxxxxxx>]

From: Davidlohr Bueso <dave@xxxxxxx>

This function allows users to obtain the device's 512-byte sector count.

Signed-off-by: Davidlohr Bueso <dave@xxxxxxx>
---
 shlibs/blkid/docs/libblkid-sections.txt |    1 +
 shlibs/blkid/src/blkid.h.in             |    1 +
 shlibs/blkid/src/blkid.sym              |    1 +
 shlibs/blkid/src/probe.c                |   11 +++++++++++
 4 files changed, 14 insertions(+), 0 deletions(-)

diff --git a/shlibs/blkid/docs/libblkid-sections.txt b/shlibs/blkid/docs/libblkid-sections.txt
index c8b0045..47675f4 100644
--- a/shlibs/blkid/docs/libblkid-sections.txt
+++ b/shlibs/blkid/docs/libblkid-sections.txt
@@ -42,6 +42,7 @@ blkid_new_probe
 blkid_new_probe_from_filename
 blkid_probe_get_devno
 blkid_probe_get_sectorsize
+blkid_probe_get_sectors
 blkid_probe_get_size
 blkid_probe_set_device
 blkid_reset_probe
diff --git a/shlibs/blkid/src/blkid.h.in b/shlibs/blkid/src/blkid.h.in
index 7fa2fde..95ce910 100644
--- a/shlibs/blkid/src/blkid.h.in
+++ b/shlibs/blkid/src/blkid.h.in
@@ -203,6 +203,7 @@ extern int blkid_probe_is_wholedisk(blkid_probe pr);
 extern blkid_loff_t blkid_probe_get_size(blkid_probe pr);
 extern blkid_loff_t blkid_probe_get_offset(blkid_probe pr);
 extern unsigned int blkid_probe_get_sectorsize(blkid_probe pr);
+extern unsigned long long blkid_probe_get_sectors(blkid_probe pr);
 
 extern int blkid_probe_get_fd(blkid_probe pr);
 
diff --git a/shlibs/blkid/src/blkid.sym b/shlibs/blkid/src/blkid.sym
index 4085d2c..f6e488a 100644
--- a/shlibs/blkid/src/blkid.sym
+++ b/shlibs/blkid/src/blkid.sym
@@ -100,6 +100,7 @@ global:
 	blkid_probe_get_devno;
 	blkid_probe_get_partitions;
 	blkid_probe_get_sectorsize;
+	blkid_probe_get_sectors;
 	blkid_probe_get_size;
 	blkid_probe_get_topology;
 	blkid_probe_invert_partitions_filter;
diff --git a/shlibs/blkid/src/probe.c b/shlibs/blkid/src/probe.c
index a748f2e..4483e54 100644
--- a/shlibs/blkid/src/probe.c
+++ b/shlibs/blkid/src/probe.c
@@ -1188,6 +1188,17 @@ unsigned int blkid_probe_get_sectorsize(blkid_probe pr)
 }
 
 /**
+ * blkid_probe_get_sectors:
+ * @pr: probe
+ *
+ * Returns: sector count in bytes or -1 in case of error.
+ */
+unsigned long long blkid_probe_get_sectors(blkid_probe pr)
+{
+	return pr ? pr->size >> 9 : -1;
+}
+
+/**
  * blkid_probe_numof_values:
  * @pr: probe
  *
-- 
1.7.1



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