diff options
| -rw-r--r-- | runtime/doc/options.txt | 4 | ||||
| -rw-r--r-- | src/nvim/undo.c | 4 |
2 files changed, 6 insertions, 2 deletions
diff --git a/runtime/doc/options.txt b/runtime/doc/options.txt index 0aa6769f4e..ba73d79cd3 100644 --- a/runtime/doc/options.txt +++ b/runtime/doc/options.txt @@ -2774,8 +2774,8 @@ A jump table for the options with a short description can be found at |Q_op|. 'fsync' 'fs' boolean (default off) global When on, the OS function fsync() will be called after saving a file - (|:write|, |writefile()|, …), |swap-file| and |shada-file|. This - flushes the file to disk, ensuring that it is safely written. + (|:write|, |writefile()|, …), |swap-file|, |undo-persistence| and |shada-file|. + This flushes the file to disk, ensuring that it is safely written. Slow on some systems: writing buffers, quitting Nvim, and other operations may sometimes take a few seconds. diff --git a/src/nvim/undo.c b/src/nvim/undo.c index f4f97fd8ee..64c16ed192 100644 --- a/src/nvim/undo.c +++ b/src/nvim/undo.c @@ -1333,6 +1333,10 @@ void u_write_undo(const char *const name, const bool forceit, buf_T *const buf, } #endif + if (p_fs && fflush(fp) == 0 && os_fsync(fd) != 0) { + write_ok = false; + } + write_error: fclose(fp); if (!write_ok) { |