Messages in this thread Patch in this message | | | From | Jaegeuk Kim <> | Subject | [PATCH] f2fs: fix wrong bfree and bavail | Date | Tue, 5 Sep 2017 14:06:53 -0700 |
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This patch fixes bavail and bfree finally.
long f_bfree; /* free blocks in fs */ long f_bavail; /* free blocks avail to non-superuser */
So, bfree represents all the reserved blocks, while bavail does the space only visible to normal user.
Fix: 3e6d0b4d9c1c ("f2fs: fix incorrect f_bfree calculation in ->statfs") Cc: <stable@vger.kernel.org> # 4.8+ Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> --- fs/f2fs/super.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index 7e29db227910..17cca4cb93af 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -955,8 +955,8 @@ static int f2fs_statfs(struct dentry *dentry, struct kstatfs *buf) buf->f_bsize = sbi->blocksize; buf->f_blocks = total_count - start_count; - buf->f_bfree = user_block_count - valid_user_blocks(sbi) + ovp_count; - buf->f_bavail = user_block_count - valid_user_blocks(sbi) - + buf->f_bfree = user_block_count - valid_user_blocks(sbi); + buf->f_bavail = user_block_count - valid_user_blocks(sbi) - ovp_count - sbi->reserved_blocks; avail_node_count = sbi->total_node_count - F2FS_RESERVED_NODE_NUM; -- 2.14.0.rc1.383.gd1ce394fe2-goog
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