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-rw-r--r--fs/cifs/inode.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index 7c61bc9573c0..f2df4422e54a 100644
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -2395,7 +2395,7 @@ int cifs_getattr(struct user_namespace *mnt_userns, const struct path *path,
* We need to be sure that all dirty pages are written and the server
* has actual ctime, mtime and file length.
*/
- if ((request_mask & (STATX_CTIME | STATX_MTIME | STATX_SIZE)) &&
+ if ((request_mask & (STATX_CTIME | STATX_MTIME | STATX_SIZE | STATX_BLOCKS)) &&
!CIFS_CACHE_READ(CIFS_I(inode)) &&
inode->i_mapping && inode->i_mapping->nrpages != 0) {
rc = filemap_fdatawait(inode->i_mapping);
@@ -2585,6 +2585,14 @@ set_size_out:
if (rc == 0) {
cifsInode->server_eof = attrs->ia_size;
cifs_setsize(inode, attrs->ia_size);
+ /*
+ * i_blocks is not related to (i_size / i_blksize), but instead
+ * 512 byte (2**9) size is required for calculating num blocks.
+ * Until we can query the server for actual allocation size,
+ * this is best estimate we have for blocks allocated for a file
+ * Number of blocks must be rounded up so size 1 is not 0 blocks
+ */
+ inode->i_blocks = (512 - 1 + attrs->ia_size) >> 9;
/*
* The man page of truncate says if the size changed,