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Fsync directory after creating or unlinking file.

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If file was created/deleted just before powerloss it's possible that
file system will miss that. To prevent it, call fsync() where creating/
unlinkg file is critical.

Author: Michael Paquier
Reviewed-by: Ashutosh Bapat, Takayuki Tsunakawa, me
This commit is contained in:
Teodor Sigaev
2017-03-27 19:33:01 +03:00
parent 1f171a1803
commit 1b02be21f2
6 changed files with 78 additions and 13 deletions
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1
src/include/storage/fd.h
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@ -119,6 +119,7 @@ extern int pg_fdatasync(int fd);
extern void pg_flush_data(int fd, off_t offset, off_t amount);
extern void fsync_fname(const char *fname, bool isdir);
extern int durable_rename(const char *oldfile, const char *newfile, int loglevel);
extern int durable_unlink(const char *fname, int loglevel);
extern int durable_link_or_rename(const char *oldfile, const char *newfile, int loglevel);
extern void SyncDataDirectory(void);