diff options
| author | AKASHI Takahiro <takahiro.akashi@linaro.org> | 2018-09-11 15:59:09 +0900 |
|---|---|---|
| committer | Alexander Graf <agraf@suse.de> | 2018-09-23 21:55:29 +0200 |
| commit | 3a10e07234e5f545ca70088e99f27d6098201449 (patch) | |
| tree | f87266387824b75343a184b585da9c1e882362d3 /fs | |
| parent | e7074cffb8dccf862260e15b8de5297891c917a0 (diff) | |
fs: fat: remember the starting cluster number of directory
The starting cluster number of directory is needed to initialize ".."
(parent directory) entry when creating a new directory.
Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/fat/fat.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/fat/fat.c b/fs/fat/fat.c index 6d7012c841..73ffdeae63 100644 --- a/fs/fat/fat.c +++ b/fs/fat/fat.c @@ -631,6 +631,7 @@ static int get_fs_info(fsdata *mydata) typedef struct { fsdata *fsdata; /* filesystem parameters */ + unsigned start_clust; /* first cluster */ unsigned clust; /* current cluster */ unsigned next_clust; /* next cluster if remaining == 0 */ int last_cluster; /* set once we've read last cluster */ @@ -663,6 +664,7 @@ static int fat_itr_root(fat_itr *itr, fsdata *fsdata) return -ENXIO; itr->fsdata = fsdata; + itr->start_clust = 0; itr->clust = fsdata->root_cluster; itr->next_clust = fsdata->root_cluster; itr->dent = NULL; @@ -698,6 +700,7 @@ static void fat_itr_child(fat_itr *itr, fat_itr *parent) assert(fat_itr_isdir(parent)); itr->fsdata = parent->fsdata; + itr->start_clust = clustnum; if (clustnum > 0) { itr->clust = clustnum; itr->next_clust = clustnum; |