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Merge pull request #23372 from neovim/backport-23371-to-release-0.9

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[Backport release-0.9] vim-patch:8.2.3509: undo file is not synced
This commit is contained in:
zeertzjq
2023-04-28 21:24:15 +08:00
committed by GitHub
parent fb73bfd667 5c2f442a74
commit e81b2eb94a
2 changed files with 6 additions and 2 deletions
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4
runtime/doc/options.txt
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@@ -2768,8 +2768,8 @@ A jump table for the options with a short description can be found at |Q_op|.
'fsync' 'fs' boolean (default off) 'fsync' 'fs' boolean (default off)
global global
When on, the OS function fsync() will be called after saving a file When on, the OS function fsync() will be called after saving a file
(|:write|, |writefile()|, …), |swap-file| and |shada-file|. This (|:write|, |writefile()|, …), |swap-file|, |undo-persistence| and |shada-file|.
flushes the file to disk, ensuring that it is safely written. This flushes the file to disk, ensuring that it is safely written.
Slow on some systems: writing buffers, quitting Nvim, and other Slow on some systems: writing buffers, quitting Nvim, and other
operations may sometimes take a few seconds. operations may sometimes take a few seconds.

4
src/nvim/undo.c
View File

@@ -1333,6 +1333,10 @@ void u_write_undo(const char *const name, const bool forceit, buf_T *const buf,
} }
#endif #endif
if (p_fs && fflush(fp) == 0 && os_fsync(fd) != 0) {
write_ok = false;
}
write_error: write_error:
fclose(fp); fclose(fp);
if (!write_ok) { if (!write_ok) {