add locks to the shared objects of ext2 fs

[lunaix-os.git] / lunaix-os / kernel / fs / ext2 / group.c

diff --git a/lunaix-os/kernel/fs/ext2/group.c b/lunaix-os/kernel/fs/ext2/group.c
index 277d6904b256f786a2956a7c71aa549bc4923a71..d11e510030c4d401ca8a14e5e95222bac453aa38 100644 (file)
--- a/lunaix-os/kernel/fs/ext2/group.c
+++ b/lunaix-os/kernel/fs/ext2/group.c
@@ -126,7 +126,7 @@ __try_load_bitmap(struct v_superblock* vsb,
 }
 
 int
-ext2gd_take(struct v_superblock* vsb, 
+ext2gd_take_at(struct v_superblock* vsb, 
                unsigned int index, struct ext2_gdesc** out)
 {
     bbuf_t part, buf;
@@ -169,6 +169,8 @@ ext2gd_take(struct v_superblock* vsb,
         .ino_base = index * ext2sb->raw->s_ino_per_grp
     };
 
+    mutex_init(&gd->lock);
+
     *out = gd;
     
     if (!ext2sb->read_only) {
@@ -235,16 +237,8 @@ ext2bmp_init(struct ext2_bmp* e_bmp, bbuf_t bmp_buf, unsigned int nr_bits)
     __ext2bmp_update_next_free_cell(e_bmp);
 }
 
-bool
-ext2bmp_check_free(struct ext2_bmp* e_bmp)
-{
-    assert(e_bmp->raw);
-
-    return valid_bmp_slot(e_bmp->next_free);
-}
-
 int
-ext2bmp_alloc_one(struct ext2_bmp* e_bmp)
+ext2bmp_alloc_nolock(struct ext2_bmp* e_bmp)
 {
     assert(e_bmp->raw);
     
@@ -275,7 +269,7 @@ ext2bmp_alloc_one(struct ext2_bmp* e_bmp)
 }
 
 void
-ext2bmp_free_one(struct ext2_bmp* e_bmp, unsigned int pos)
+ext2bmp_free_nolock(struct ext2_bmp* e_bmp, unsigned int pos)
 {
     assert(e_bmp->raw);
 
@@ -291,7 +285,7 @@ ext2bmp_free_one(struct ext2_bmp* e_bmp, unsigned int pos)
 }
 
 void
-ext2bmp_discard(struct ext2_bmp* e_bmp)
+ext2bmp_discard_nolock(struct ext2_bmp* e_bmp)
 {
     assert(e_bmp->raw);