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Signed-off-by: Eric DeCosta --- Documentation/config/fsmonitor--daemon.txt | 4 ++-- Documentation/git-fsmonitor--daemon.txt | 24 ++++++++++++++-------- 2 files changed, 18 insertions(+), 10 deletions(-) diff --git a/Documentation/config/fsmonitor--daemon.txt b/Documentation/config/fsmonitor--daemon.txt index c225c6c9e74..2cafb040d96 100644 --- a/Documentation/config/fsmonitor--daemon.txt +++ b/Documentation/config/fsmonitor--daemon.txt @@ -4,8 +4,8 @@ fsmonitor.allowRemote:: behavior. Only respected when `core.fsmonitor` is set to `true`. fsmonitor.socketDir:: - This Mac OS-specific option, if set, specifies the directory in + Mac OS and Linux-specific option. If set, specifies the directory in which to create the Unix domain socket used for communication between the fsmonitor daemon and various Git commands. The directory must - reside on a native Mac OS filesystem. Only respected when `core.fsmonitor` + reside on a native filesystem. Only respected when `core.fsmonitor` is set to `true`. diff --git a/Documentation/git-fsmonitor--daemon.txt b/Documentation/git-fsmonitor--daemon.txt index 8238eadb0e1..c2b08229c74 100644 --- a/Documentation/git-fsmonitor--daemon.txt +++ b/Documentation/git-fsmonitor--daemon.txt @@ -76,23 +76,31 @@ repositories; this may be overridden by setting `fsmonitor.allowRemote` to correctly with all network-mounted repositories and such use is considered experimental. -On Mac OS, the inter-process communication (IPC) between various Git +On Linux and Mac OS, the inter-process communication (IPC) between various Git commands and the fsmonitor daemon is done via a Unix domain socket (UDS) -- a -special type of file -- which is supported by native Mac OS filesystems, -but not on network-mounted filesystems, NTFS, or FAT32. Other filesystems -may or may not have the needed support; the fsmonitor daemon is not guaranteed -to work with these filesystems and such use is considered experimental. +special type of file -- which is supported by many native Linux and Mac OS +filesystems, but not on network-mounted filesystems, NTFS, or FAT32. Other +filesystems may or may not have the needed support; the fsmonitor daemon is not +guaranteed to work with these filesystems and such use is considered +experimental. By default, the socket is created in the `.git` directory, however, if the `.git` directory is on a network-mounted filesystem, it will be instead be created at `$HOME/.git-fsmonitor-*` unless `$HOME` itself is on a network-mounted filesystem in which case you must set the configuration -variable `fsmonitor.socketDir` to the path of a directory on a Mac OS native +variable `fsmonitor.socketDir` to the path of a directory on a native filesystem in which to create the socket file. If none of the above directories (`.git`, `$HOME`, or `fsmonitor.socketDir`) -is on a native Mac OS file filesystem the fsmonitor daemon will report an -error that will cause the daemon and the currently running command to exit. +is on a native Linux or Mac OS filesystem the fsmonitor daemon will report +an error that will cause the daemon to exit and the currently running command +to issue a warning. + +On Linux, the fsmonitor daemon registers a watch for each directory in the +repository. The default per-user limit for the number of watches on most Linux +systems is 8192. This may not be sufficient for large repositories or if +multiple instances of the fsmonitor daemon are running. +See https://watchexec.github.io/docs/inotify-limits.html[Linux inotify limits] for more information. CONFIGURATION ------------- -- gitgitgadget